Cataracts lens crystalline. Medical search. Frequent questions

After performing cataract surgery with a low-flow technique, I would administer a miotic agent to reduce the pupil's size as much as possible and then place a 10-0 Prolene suture on a double-armed STC-6 needle (both from Ethicon, Inc.). To ensure that I engaged the edge of the torn iris, I would use micrograspers to hold the iris and to avoid the anterior capsule. (crstoday.com)

The natural crystalline lens of the human eye that has become opaque or cloudy is replaced with an artificial intraocular lens. (healthnews.com)
Cataract, an opacification of the natural crystalline lens, is a significant cause of reversible blindness worldwide. (springer.com)
When the natural crystalline lens is removed, the retinas of pseudophakic patients 'may be at an increased risk of AMD development. (ophthalmologytimes.com)
When the natural crystalline lens is replaced with a lens that filters only UV light, the amount of light absorbed by A2E, a toxic fluorophore in the lipofuscin in stressed retinal pigment epithelial cells that has the highest level of absorbance in the violet part of the spectrum, increases by a factor of five. (ophthalmologytimes.com)

What causes the development of cataracts? (dmc.org)
There are a number of medical conditions that can contribute to the development of cataracts, with diabetics being at a particularly high risk. (brobergeyecare.com)
Research has linked excessive steroid use to the development of cataracts. (brobergeyecare.com)
MedUni Graz researches molecular processes responsible for the development of cataracts. (anton-paar.com)
As the Medical University of Graz announced last week, researchers working with international partners have succeeded in finding out which molecular processes in the body are responsible for the development of cataracts. (anton-paar.com)
The study apparently does not prove causation but just appears to divulge a link between the use of SSRIs and the development of cataracts. (healthjockey.com)

Corrective lenses affect these characteristics and are used commonly to correct refractive error. (wikipedia.org)
citation needed] Optical aniseikonia due to anisometropia can be corrected by spectacles, contact lenses or refractive corneal surgeries. (wikipedia.org)
citation needed] For reducing aniseikonia, similar to contact lens correction, optical image size difference will be reduced in refractive surgeries also. (wikipedia.org)
Streamline your refractive cataract workflow: from biometry and calculation or ordering of IOLs to surgical planning. (zeiss.com)
Cataract surgery has evolved from a simple procedure of removing the opacified crystalline lens to a method that additionally aims to correct all refractive errors. (scirp.org)
Among the most promising current developments in ophthalmology that have the potential to change the clinical paradigm are research into the diagnosis and treatment of age-related macular degeneration, new techniques and technologies in lamellar and full-thickness corneal transplantation, and evolutions in cataract and refractive surgery. (crstodayeurope.com)
delivers cutting-edge information to cataract and refractive surgeons. (crstodayeurope.com)

also known as secondary cataract or after-cataract), which occurs after cataract surgery. (nih.gov)
Certain eyes are at a higher risk of complication during cataract surgery. (cehjournal.org)
A slit lamp examination will identify most problems you are liable to face during surgery, such as subluxated lenses. (cehjournal.org)
These three conditions need to be corrected by surgery before you can contemplate a cataract extraction. (cehjournal.org)
Today, this is rarely a problem because when the lens is removed in cataract surgery, an intraocular lens, or IOL is left in its place. (wikipedia.org)
Cataracts are typically treated with surgery to remove the cloudy lens and replace it with a clear artificial lens. (medicinenet.com)
Three newborns with cataract and severe anterior uveitis underwent cataract surgery. (cdc.gov)
Anterior chamber inflammation decreased dramatically, and cataract surgery with intraocular lens implantation was performed sequentially in both eyes 4 weeks later. (cdc.gov)
Although the restoration of the vision in people with cataracts is conducted through surgery, the costs and risks remain an issue [ 12 ]. (hindawi.com)
Cataract Surgery Methods: Which Is Right for You? (healthnews.com)
The only proven treatment for cataracts is lens replacement surgery. (healthnews.com)
Most cataract surgery is performed as an outpatient procedure with very low complications, high rates of success, and fast recovery. (healthnews.com)
Phacoemulsification is the most common cataract surgery, but in developing countries a modified version is used called MSICS (manual small incision cataract surgery). (healthnews.com)
This article discusses the different options for cataract surgery and which might be best for you. (healthnews.com)
There are three main types of cataract surgery that are widely used today. (healthnews.com)
Phacoemulsification is the most commonly recommended surgical method for cataract surgery today. (healthnews.com)
The final step of the surgery is to use a dual irrigation-aspiration (I-A) probe or a bimanual I-A system to remove any remaining lens or peripheral material. (healthnews.com)
In fact, there is a modification of ECCE which has been adopted called manual small incision cataract surgery or MSICS where no sutures are required. (healthnews.com)
The only treatment is a surgery to replace the opaque lens with a clear artificial intraocular lens (IOL). (springer.com)
The most common procedure for modern cataract surgery is phacoemulsification 1 . (springer.com)
Therefore, a single subtenon triamcinolone injection could be an alternative treatment to control inflammation after cataract surgery, especially in patients with poor drug compliance 12 . (springer.com)
The surgeon must protect this section of the iris during cataract surgery by using two iris hooks to suspend the iris tissue and expand the pupil. (crstoday.com)
A relatively routine cataract surgery can then be carefully performed with a well-formed 5-mm capsulorhexis to hold the IOL securely in place. (crstoday.com)
I would make the middle Hoffman tunnel longer than the others for the possible placement of a Cionni Ring for Sclera Fixation (Morcher GmbH, distributed in the United States by FCI Ophthalmics, Inc.). I would create two limbal paracenteses for iris hooks to hold the torn iris back during the cataract surgery. (crstoday.com)
Connect your ZEISS IOLMaster 700 with ZEISS VERACITY Surgery Planner to streamline your cataract workflow through the cloud. (zeiss.com)
ZEISS VERACITY Surgery Planner also incorporates topography maps and keratometry data like axial length, anterior chamber depth, lens thickness, white-to-white, and more. (zeiss.com)
Medieval physicians understood that the presence of a fixed dilated pupil indicated optic nerve obstruction, preventing the passage of visual spirit, and that cataract surgery in such cases would not restore sight. (nature.com)
We conducted a prospective clinical study including 150 patients undergoing cataract surgery or clear lens extraction with implantation of three different IOLs: the trifocal diffractive IOL ATLISA tri 839MP (50 patients), the trifocal diffractive IOL PhysIOL FineVision (50 patients) and the extended range of vision IOL Tecnis Sym- fony ZRX00 (50 patients). (scirp.org)
What does cataract surgery involve? (dmc.org)
Cataract surgery has improved dramatically in the last decade, with a very high success rate (95% or better). (dmc.org)
In some cases, a "secondary cataract" will develop after undergoing cataract surgery. (brobergeyecare.com)
This is an opacity of the capsule holding the intraocular lens (IOL) inserted during cataract surgery. (brobergeyecare.com)
Eventually, your cataracts may progress to a point that you require surgery. (brobergeyecare.com)
As a one-stop shop for cataract care, we offer both traditional and laser-assisted cataract surgery to safely and effectively remove the lens. (brobergeyecare.com)
The importance of filtering violet wavelengths is underscored, Drs. Chow and Nichamin said, when the accumulation of lipofuscin and the substantial increase in retinal illuminance after cataract surgery is considered. (ophthalmologytimes.com)
An analysis of more than 6,000 patients in the Beaver Dam Eye Study and the Blue Mountains Eye Study showed an elevated risk of the development of late-stage AMD 5 years after cataract surgery, they said. (ophthalmologytimes.com)
With this, we have developed a technology that makes it possible to investigate the exact mode of action of cataract therapeutics and perhaps offer alternatives to surgery. (anton-paar.com)
In cataract surgery, the cloudy crystalline lens is removed from the capsular bag and replaced by an artificial intraocular lens (IOL). (hospitalhealthcare.com)
With sophisticated intraocular lens power calculations and small-incision cataract surgery, spectacle independence for distance or emmetropia can be achieved in the majority of patients. (hospitalhealthcare.com)
Nowadays, an increasing number of patients that undergo cataract extraction demand for complete spectacle independence after surgery. (hospitalhealthcare.com)
Although it is still impossible to fully restore the ability to accommodate, there are widely acknowledged options that aim to provide freedom from spectacles after cataract surgery. (hospitalhealthcare.com)
The study, based on a record of over 200,000 Quebec residents aged 65 and more, seemed to exhibit statistical relations between an identification of cataracts or cataract surgery and the class of drugs known as selective serotonin reuptake inhibitors (SSRIs), plus between cataracts and particular drugs in that class. (healthjockey.com)
Scientists discovered that patients consuming SSRIs were said to have by and large 15 per cent more chances to be detected with cataracts or to have cataract surgery. (healthjockey.com)
Apparently, consuming fluvoxamine (Luvox) appeared to result in a 51 per cent elevated possibility of having cataract surgery, and venlafaxine (Effexor) apparently had 34 per cent more risk. (healthjockey.com)
But, no association could be made between fluoxetine (Prozac), citalopram (Celexa), and sertraline (Zoloft) and experiencing cataract surgery in the future. (healthjockey.com)
Cataract surgery is one of the most common surgical procedures, during which the patient's crystalline lens, which has become opaque due to increased light scattering, is replaced with an artificial IntraOcular Lens (IOL). (zemax.com)
Primary RD refers to i) rhegmatogenous detachment that occurs in a previously uninvolved phakic eye (an eye in which the crystalline lens is present) with no complicating factors such as underlying diabetic retinopathy or penetrating trauma or ii) detachment that occurs after cataract surgery. (institut-vision.org)
If the crystalline lens is to be removed at the time of the astigmatic incisional surgery (ie, LRI), the correction should be based on the steep meridian and magnitude as measured with corneal topography or keratometry. (aao.org)
Concomitantly, during cataract surgery, AK incisions may be placed in pairs along the steep meridian, usually between the 7-mm and 9-mm optical zone and, because of induced glare and aberrations, no closer than 3.5 mm from the center of the pupil. (aao.org)
It might mimic the size of the normal crystalline lens, thus reducing all the effects of space-changing after cataract surgery, such as posterior vitreous detachment and peripheral retinal disease. (crstodayeurope.com)
The opaque lens which has been removed can then replaced with an appropriate intraocular lens implant, for which powers are obtained prior to surgery. (centreforsightafrica.com)

Consuming alcoholic beverages may slightly increase the risk of developing cataracts, and this risk expands with more excessive drinking. (brobergeyecare.com)

The lens alone may be involved, and this accounts for approximately 70% of congenital cataracts. (molvis.org)
Congenital cataracts can occur in a newborn when his or her mother develops an infection during pregnancy, such as measles or chicken pox. (brobergeyecare.com)
D.) Birth defects- in children who are born with 'congenital ' cataracts. (centreforsightafrica.com)

The crystalline lens is often removed because of opacities called cataracts. (wikipedia.org)
Crystalline deposits can form in the vitreous, a condition called vitreous opacities or vitreous floaters . (medicinenet.com)
Looking at research into posterior polar cataract and opacities elsewhere in the crystalline lens and poor vision. (college-optometrists.org)
2008) that a posterior polar cataract has a greater effect on making vision poorer than opacities elsewhere in the crystalline lens because it is situated at the nodal point of the eye. (college-optometrists.org)
Cataract' is a condition in which the clear lens within the eye gets cloudy due to the accumulation of opacities (cloudy materials) on, or within its surface. (centreforsightafrica.com)
Although the extent of reduction in vision depends largely on the progress of lens opacities. (centreforsightafrica.com)
Central lens opacities usually impair vision more than those which emerge from peripheral areas of the crystalline lens. (centreforsightafrica.com)
Well-developed cataracts appear as gray, white, or yellow-brown opacities in the lens. (msdmanuals.com)

The lens is considered dislocated or luxated when it lies completely outside the lens patellar fossa, in the anterior chamber, free-floating in the vitreous, or directly on the retina. (medscape.com)
The patented Cornea-to-Retina Scan allows you to detect unusual eye geometries, such as tilt or decentration of the crystalline lens. (zeiss.com)
The lens is normally clear so light can readily pass through it, producing a sharp image on the retina. (dmc.org)
A cataract is a gradual clouding of the crystalline lens (the part of the eye that works with the cornea to refract light focused on the retina). (brobergeyecare.com)

He was referred for the evaluation of a visually significant posterior subcapsular cataract, iridodialysis, and almost 4.00 D of corneal astigmatism (Figures 1-3). (crstoday.com)
Although a posterior polar or central subcapsular cataract is indeed positioned very close to the eye's nodal point, this article demonstrates that it is the position within the eye, not the relationship to the nodal point, that is the important one. (college-optometrists.org)
A posterior subcapsular cataract disproportionately affects vision because the opacity is located at the crossing point of incoming light rays. (msdmanuals.com)

The panel noted that there has been a gradual realization in recent years that radi-ation-induced cataracts can occur at much lower, chronic dose levels than was previously thought. (aao.org)
Early on in the development of age-related cataract, the power of the crystalline lens may be increased, causing near-sightedness (myopia), and the gradual yellowing and opacification of the lens may reduce the perception of blue colors. (fortworth2020.com)
The onset of a cataract may be gradual or rapid. (dmc.org)
Age is the major predisposing factor for gradual formation of cataract. (centreforsightafrica.com)

This surgical technique is also called manual extracapsular cataract extraction. (healthnews.com)

Predictors of long-term intraocular pressure control after lens extraction in primary angle closure glaucoma: results from the EAGLE trial. (harvard.edu)

Congenital cataract can be defined as lens opacification presenting at birth or developing shortly thereafter. (molvis.org)

Crystal deposits are usually seen in the cornea, lens, and vitreous of the eye. (medicinenet.com)
Crystals in the cornea or lens can cause vision problems, such as blurriness, difficulty seeing at night or in low light, and glare or halos around lights. (medicinenet.com)
Aqueous Humor , The aqueous humor is a thick watery substance that fills the space between the lens and the cornea. (fortworth2020.com)
Bandage Contact Lens , A contact lens applied to an injured cornea, providing protection and allowing it to heal, while alleviating the constant rubbing of the eyelids. (fortworth2020.com)
Examples include the cornea, the transparent dome-shaped structure covering the front of the eye, and the crystalline lens . (6rounds.com)
The lens is that structure that receives the light rays and refracts them to the cornea. (6rounds.com)

Cataracts most commonly occur among people who are over age 55, although it can affect younger people and, rarely, newborns. (dmc.org)
There is no known prevention for cataracts that occur as a natural process of aging. (dmc.org)
Mostly, cataracts occur at an advanced age. (anton-paar.com)
A cataract is said to be a clouding that may occur in the crystalline lens of the eye or in its envelope, fluctuating in degree from mild to total opacity and blocking the passage of light. (healthjockey.com)
Cataracts occur with aging. (msdmanuals.com)

Growth of the melanoma into the lens may produce its subluxation, lenticular astigmatism, or cataract. (medscape.com)
Although this patient suffers from issues related to the traumatic damage to the iris he sustained 40 years ago, he is fortunate that we ophthalmologists have the ability to remove his cataract, neutralize his astigmatism, and repair his iris all at once. (crstoday.com)
With the iris repaired, the astigmatism neutralized, and the cataract addressed, this patient should recover excellent vision. (crstoday.com)
For lens replacement, we provide monofocal intraocular lenses (IOLs), toric IOLs for astigmatism, and multifocal IOLs for enhanced eyesight at any distance. (brobergeyecare.com)

The vertebrate lens has a distinct polarity and structure that are regulated by growth factors resident in the ocular media. (nih.gov)
Recent studies implicate other factors [such as fibroblast growth factor (FGFs), hepatocyte growth factor, integrins], present in the lens and ocular environment, in the pathogenesis of ASC and PCO. (nih.gov)
We describe 3 newborns in France who had cataract and intraocular inflammation and in whom S. ixodetis was detected in ocular samples ( Table ). (cdc.gov)
Ocular anterior segment in 3 newborn infants with bilateral total cataract and anterior uveitis related to endogenous Spiroplasma ixodetis infection. (cdc.gov)
She had bilateral anterior uveitis, large keratic precipitates, iris nodules, posterior synechiae, cyclitic membrane, and cataract ( Figure 1 , panels A, B). Fundus visualization and ocular ultrasonography ruled out retinoblastoma. (cdc.gov)
Ocular Impression-Based Scleral Lens With Wavefront-Guided Optics for Visual Improvement in Keratoconus. (harvard.edu)
While maintaining proper preventive eye care is important at every age, it is especially important for patients over the age of 60, since they are more likely to develop cataracts and other ocular conditions. (brobergeyecare.com)

Male and female frequency varies with the etiology of the lens displacement. (medscape.com)

Check the maturity of the lens, the condition of the capsule, and whether the cataract really is the cause of the patient's poor vision, before deciding to perform a potentially risky operation. (cehjournal.org)
It involves the removal of almost the entire natural lens in a single piece, leaving the elastic posterior capsule intact. (healthnews.com)
The Crystalline Lens is made of soft flexible protein that is surrounded by an elastic membrane called a Capsule. (globalguideline.com)

The authors dedicate special thanks in the publication to the SAXS team of Anton Paar, in particular Franz Pirolt (co-author, until 2021 at AP, note) and Heike Ehmann for the performance and technical support of SAXS experiments on intact eye lenses as well as the production of a special sample holder for eye lenses. (anton-paar.com)

When the lens becomes opaque, light can't pass through as easily. (dmc.org)
When the soft, normally transparent protein becomes cloudy, yellow or opaque it is called a Cataract. (globalguideline.com)
These usually involve removal of the opaque lens material or a portion of it. (centreforsightafrica.com)

The most common symptoms of cataract are impaired vision, decreased contrast sensitivity, color disturbance, and glare [ 5 ]. (hindawi.com)
Two patients (both male) in this pedigree had congenital cataract and microcornea , and had shown symptoms of vision decrease before two years old. (molvis.org)
Cataract symptoms can be subtle, so it is important to undergo regular eye exams. (brobergeyecare.com)
Various light sensations such as glare and halos may be disturbing symptoms in cataract patients. (hospitalhealthcare.com)
Symptoms often arise during your early to mid-40s and continue to worsen until around age 65 when cataracts start to form. (visionoptique.com)

Aniseikonia due to uniocular aphakia is best corrected surgically by intraocular lens implantation. (wikipedia.org)
In the past years, the major goal of the implantation of intraocular lenses (IOLs) was the achievement of emmetropia for distance. (scirp.org)

According to his medical records, this patient has congenital nuclear cataract with microcornea. (molvis.org)
With a nuclear cataract, distance vision worsens. (msdmanuals.com)

Diabetes can also cause patients to develop cataracts at a younger age, and the condition may progress more rapidly. (brobergeyecare.com)
Research has shown that smokers are more likely to develop cataracts at an earlier age than non-smokers. (brobergeyecare.com)
Co-author Dr. Frederick S. Mikelberg, professor and head of the Dept. of Ophthalmology and Visual Sciences at UBC and head of the Dept. of Ophthalmology at Vancouver General Hospital observes that the standard time to develop cataracts while consuming SSRIs was nearly two years. (healthjockey.com)

Pathology of the lens. (medscape.com)
Anatomy, physiology, and pathology of the crystalline lens. (medscape.com)
High-Throughput Transcriptomics of Celf1 Conditional Knockout Lens Identifies Downstream Networks Linked to Cataract Pathology. (harvard.edu)

Dislocated lens into the vitreous secondary to trauma. (medscape.com)
Depending on the degree of lens dislocation, the age of onset, and its associated secondary complications, most patients do well. (medscape.com)
Secondary cataracts do not require a trip to the operating room as they can be effectively treated with a convenient in-office laser procedure. (brobergeyecare.com)

Most cataract surgeries are performed under local anesthesia with mild sedation and patients go home the same day. (healthnews.com)
In almost all surgeries, an artificial intraocular lens (IOL) replaces the natural lens. (healthnews.com)
Phacoemulsification constitutes over 90% of cataract surgeries worldwide today and is considered the standard of care. (healthnews.com)
Over one million cataract surgeries are performed annually. (dmc.org)

Cataracts are cloudy areas that form in the lens and can cause vision problems, such as difficulty seeing at night or in low light, glare, or halos around lights, and double vision . (medicinenet.com)
Cataract is an eye disease in which the otherwise clear lens becomes cloudy. (anton-paar.com)

The goal: to reduce the incidence of radiation-induced cataracts. (aao.org)
Further research demonstrates that higher lutein and zeaxanthin status is directly related to clearer crystalline lens pre-cataract and lower incidence and prevalence of cataracts overall. (nutraingredients.com)
With age being a major predisposing factor for the incidence of cataract, the implications of this condition are bound to multiply even further as the population of individuals aged 60 and above increases further in the year 2020. (centreforsightafrica.com)

Your surgeon will then use an instrument called a "chopper" or "cracker" that will break up the hard cataract nucleus into finer pieces. (healthnews.com)
Suction is then employed to aspirate the cortical material or the soft parts of the lens surrounding the nucleus. (healthnews.com)

Berryat described the first reported case of lens dislocation in 1749, and Stellwag subsequently coined the term ectopia lentis in 1856 (describing a patient with congenital lens dislocation). (medscape.com)
The most common cause of ectopia lentis is trauma , which accounts for nearly one half of all cases of lens dislocation . (medscape.com)
Dislocation of the lens. (medscape.com)
Supertemporal dislocation of a lens in the right eye of a patient with Marfan syndrome. (medscape.com)
Microspherophakia and spontaneous inferior dislocation of a lens in a patient with Weil-Marchesani syndrome. (medscape.com)

Although there are several different types of cataracts, they are all caused by a loss of transparency in the crystalline lens of the eye. (dmc.org)
This, in turn, leads to loss of transparency of the crystalline lens. (centreforsightafrica.com)

Our ultra-precise surgical techniques, along with biocompatible technology like intraocular lenses (IOLs), have helped patients throughout the Austin area to overcome this common degenerative disease. (brobergeyecare.com)
Intraocular lenses, or IOLs as they are more commonly known, are artificial lenses that are used to replace natural lenses that have become clouded with cataracts. (globalguideline.com)

Cataracts can lead to an impairment of overall quality of life as a result of the decrease in visual acuity and quality of vision. (hospitalhealthcare.com)
Such cataracts reduce visual acuity more when the pupil constricts (eg, in bright light, during reading). (msdmanuals.com)

Contact lenses may also provide less difference in retinal image size. (wikipedia.org)
When the disparity appears to vary across the visual field (field-dependent aniseikonia), as may be the case with an epiretinal membrane or retinal detachment, the aniseikonia cannot fully be corrected with traditional optical techniques like standard corrective lenses. (wikipedia.org)

ECCE is preferred for patients who have very hard cataracts or in other clinical situations when phacoemulsification may not be possible. (healthnews.com)

The prevalence of cataract increases with age, from 5% for patients aged 52-62 to 64% for patients over 70 years, in Europe [ 4 ]. (hindawi.com)

It will also be challenging to place the intraocular lens (IOL) in the posterior chamber with both haptics under the iris. (cehjournal.org)

Presently, there is just one permanent treatment plan for cataract: via various surgical procedures. (centreforsightafrica.com)
Treatment is surgical removal and placement of an intraocular lens. (msdmanuals.com)
Treatment is surgical removal of the cataract. (msdmanuals.com)

Cataract remains the leading cause of visual impairment and blindness worldwide, mostly in low and middle-income countries. (centreforsightafrica.com)
Cataracts are the leading cause of blindness worldwide. (msdmanuals.com)

Cataract and uveitis are rare in newborns but potentially blinding. (cdc.gov)

SBL-3 ClearView lens from St. Petersburg Lenstec provides significant visual improvements for distance, intermediate, and near TAMPA, Fla. (August 16, 2022) For those suffering from cataracts, a new innovative technology offered by Tampa Bay's leading eye doctor, can significantly improve their sight. (newsomeye.com)

In most cases, patients who are blind with complicated cataract will be happy with even a modest improvement of their vision. (cehjournal.org)
Aphakic patients do not have a crystalline lens. (wikipedia.org)
The lenses in patients' eyes also can be protected if physicians adhere to the ALARA-dose principle ("as low as reasonably achiev-able") when planning imaging tests such as computed tomography (CT) scans of the head, he said. (aao.org)
Some patients are born with cataracts or develop them as children. (brobergeyecare.com)
In some patients, cataracts develop as a result of an injury to the eye. (brobergeyecare.com)
Most patients who suffer from cataracts are over 60 years old. (brobergeyecare.com)
Researchers are developing new solutions to provide more comfortable visual experience for cataract patients than achievable with currently available products. (zemax.com)
Newsom Eye's T. Hunter Newsom, M.D., has been at the forefront of RxSight's Light Adjustable Lens FDA trials, with 80% of trial patients seeing 20/20 or clearer results. (newsomeye.com)

Multifocal intraocular lenses (MIOLs) are designed to reduce spectacle dependence improving certain aspects related to quality of life. (scirp.org)

For instance, if the area of clouding initially starts on the side of the lens, a person's vision may not be drastically affected because peripheral vision is not used as much as the central area. (dmc.org)

The degree of zonular impairment determines the degree of lens displacement. (medscape.com)
As such, they are more susceptible to cataracts and co-morbidities associated with visual impairment (like macular degeneration), leading to additional disabilities. (nutraingredients.com)
As of 2010, the World Health Organization (W.H.O) deemed that cataracts were responsible for about 51% of world blindness, which accounted for about 20 million causes of visual impairment. (centreforsightafrica.com)

The results of the study found that the lens group with the addition of binahong extract showed more results transparency compared to lens groups induced by glucose concentrations of 55 mM). (hindawi.com)

Hematological tests in two affected individuals showed very high levels of serum ferritin without iron overload leading to the diagnosis of hyperferritinemia-cataract syndrome. (nih.gov)

Lens, Crystalline" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (harvard.edu)

Introduction of allograft antigens in this hypothetical super lens could down-regulate through anterior-chamber-associated immune deviation the body's immune response to allergies and autoimmune disease and become an adjunct to transplantations and even cancer treatment. (crstodayeurope.com)

This shows that the diabetic cataract group experienced high oxidative stress due to the accumulation of sorbitol compounds derived from glucose which caused turbidity in the goat eye lens and increased levels of lens MDA. (hindawi.com)
Cataracts can be caused by many factors such as oxidative stress, UV radiation, calcium levels in the lens, and complications of diabetes mellitus (diabetic cataracts) [ 6 , 7 ]. (hindawi.com)

Increasing attention is now being directed at the network of signaling pathways that effect the EMT in lens epithelial cells, with the aim of identifying potential therapeutic targets to inhibit cataract, particularly PCO, which remains a significant clinical problem in ophthalmology. (nih.gov)

Cataracts may affect a small portion of the lens or the entire lens, causing little or no visual problem for some people, especially in the early stages of the condition. (dmc.org)
Aging can cause the proteins in your eye to clump together, clouding a portion of the lens. (brobergeyecare.com)

Disruption or dysfunction of the zonular fibers of the lens, regardless of cause (trauma or heritable condition), is the underlying pathophysiology of ectopia lentis. (medscape.com)

It expands the mutation spectrum of CRYBA4 and provides useful information to the study of molecular pathogenesis of cataract and microcornea. (molvis.org)

Anatomy8

Diseases16

Chemicals and Drugs9

Analytical, Diagnostic and Therapeutic Techniques and Equipment13

Psychiatry and Psychology3

Phenomena and Processes5

Disciplines and Occupations1

Information Science1

Performing cataract surgery1

Natural crystalline lens4

Development of cataracts6

Refractive7

Surgery51

Risk of developin1

Congenital cataracts3

Opacities8

Retina4

Subcapsular3

Gradual4

Extracapsular cataract e1

Extraction1

Opacification1

Cornea6

Occur5

Astigmatism4

Ocular7

Etiology1

Capsule3

20211

Opaque3

Symptoms5

Implantation2

Nuclear cataract2

Develop cataracts3

Pathology3

Secondary3

Surgeries4

Cloudy2

Incidence3

Nucleus2

Dislocation5

Loss of transparency2

IOLs2

Visual acuity2

Retinal2

Phacoemulsification1

Prevalence1

Iris1

Surgical3

Blindness worldwide2

Newborns1

20221

Patients8

Intraocular lenses1

Side of the lens1

Impairment3

Transparency1

Diagnosis1

MeSH1

Anterior chamber1

Diabetic2

Epithelial Cells1

Portion of the lens2

Trauma1

Pathogenesis1