AstigmatismHyperopiaMyopiaPresbyopiaRetinaNearsightedness or farsightednessType of refractive errorBlurry visionSymptomsContact lensesLASIKEyeglassesCornealOccursExcimer laserAmblyopiaCloserProcedureDistant objectsLensesSurgeriesCataractCorrectVision problemsSurgicalOccurSevereEyesAstigmatismsPerson'sCorrectionLightComplicationsPeopleChildhoodChildrenIncreasesProceduresPermanentlyExam
Astigmatism28
- Refractive errors can also cause myopia , or shortsightedness, and astigmatism . (medicalnewstoday.com)
- The most common types of refractive error are near-sightedness, far-sightedness, astigmatism, and presbyopia. (wikipedia.org)
- They are frequently categorized as spherical errors and cylindrical errors: Cylindrical errors cause astigmatism, when the optical power of the eye is too powerful or too weak across one meridian, such as if the corneal curvature tends towards a cylindrical shape. (wikipedia.org)
- Astigmatism: A person with astigmatic refractive error sees lines of a particular orientation less clearly than lines at right angles to them. (wikipedia.org)
- LASEK is specifically used to correct astigmatism, hyperopia (farsightedness), and myopia (nearsightedness). (medscape.com)
- Concepts of corneal refractive surgery, such as keratectomy, keratotomy, and thermokeratoplasty, were first described in 1898 by Lans who published a set of experiments that focused on treating astigmatism in rabbits. (medscape.com)
- This eye condition includes myopia (nearsightedness), hyperopia (farsightedness), and astigmatism (when the cornea or lens has a different shape than normal). (cdc.gov)
- Refractive surgery procedures include corrections for nearsightedness, farsightedness, astigmatism and presbyopia. (medindia.net)
- Uncorrected vision problems like farsightedness and astigmatism , inadequate eye focusing or eye coordination abilities, and aging changes of the eyes, such as presbyopia , can all contribute to the development of visual symptoms when using a computer or digital screen device. (aoa.org)
- A refraction to determine the appropriate lens power needed to compensate for any refractive errors (nearsightedness, farsightedness or astigmatism). (aoa.org)
- Children with a refractive error (nearsightedness, farsightedness, or astigmatism) will need glasses. (mountsinai.org)
- If you have one of these refractive errors along with astigmatism, your glasses will correct this too. (eyebuydirect.com)
- These include common vision problems like nearsightedness (having trouble seeing far away), farsightedness (having trouble seeing things up close), and astigmatism (which can cause blurry vision). (nih.gov)
- Refractive errors such as nearsightedness, farsightedness and astigmatism cause an abnormal curvature of your eye. (visionboston.com)
- Refractive errors are the most common vision problems for children, including myopia (nearsightedness), hyperopia (farsightedness) and astigmatism. (eaglenews.org)
- If you have a refractive error like nearsightedness, farsightedness, or astigmatism, glasses or contact lenses may be necessary for clear vision. (odccp.org)
- This procedure can correct refractive errors such as nearsightedness, farsightedness and astigmatism, resulting in reduced dependence on prescription lenses. (lasikplus.com)
- Eyeglasses worn to correct refractive errors such as astigmatism , presbyopia , hyperopia (farsightedness) or myopia (nearsightedness) do not weaken your eyes. (optometrists.org)
- Presbyopia can coexist with other vision problems, such as nearsightedness, farsightedness, and astigmatism . (warbyparker.com)
- Monovision LASIK generally is recommended for presbyopia only if you also have refractive errors (nearsightedness, farsightedness and/or astigmatism) that will be treated with the procedure. (allaboutvision.com)
- LASIK is the most commonly performed laser eye surgery to treat myopia (nearsightedness), hyperopia (farsightedness) and astigmatism. (allaboutvision.com)
- Most people who have healthy eyes and have mild to moderate refractive errors (nearsightedness, farsightedness and/or astigmatism) are good candidates for LASIK vision correction surgery. (allaboutvision.com)
- Astigmatism (uh-STIG-muh-tiz-um) - even though it sounds serious- is simply a "refractive error" similar to nearsightedness or farsightedness. (lasikplus.com)
- MIT Media Lab researchers have created a quick, simple, and inexpensive way to use mobile phones to measure refractive errors of the eye, including nearsightedness, farsightedness, astigmatism, and age-related vision loss. (mit.edu)
- These errors, such as nearsightedness, farsightedness and astigmatism, are caused by an irregular shape of the eyeball and cornea. (lipstocklaser.com)
- LASIK surgery can alter the shape of the cornea and lens so that light refracts correctly again, reducing a person's nearsightedness, farsightedness or astigmatism. (lipstocklaser.com)
- While many lazy eyes develop during childhood, for some people, a lazy eye develops later in life when nearsightedness, farsightedness or astigmatism only occur in one eye. (lipstocklaser.com)
- Reshaping your cornea corrects refractive errors like nearsightedness, farsightedness, and astigmatism. (midwesteyecenter.com)
Hyperopia16
- Farsightedness (hyperopia) is a common vision condition in which you can see distant objects clearly, but objects nearby may be blurry. (mayoclinic.org)
- Farsightedness (hyperopia) is when a person can see distant objects clearly but have difficulty focusing on near objects. (medicalnewstoday.com)
- Farsightedness: When the optics are too weak for the length of the eyeball, one has hyperopia or farsightedness. (wikipedia.org)
- This can arise from a cornea or crystalline lens with not enough curvature (refractive hyperopia) or an eyeball that is too short (axial hyperopia). (wikipedia.org)
- Hyperopia is a common refractive error that causes nearby objects to appear blurry while distant objects look clear. (guidedogs.org.uk)
- Hyperopia is commonly known as farsightedness or long-sightedness, and sometimes hypermetropia. (guidedogs.org.uk)
- Children with hyperopia can often see at close and far distances by squinting to compensate for their farsightedness. (guidedogs.org.uk)
- That's why the NHS recommends regular eye exams which can detect eye problems, including refractive errors like hyperopia. (guidedogs.org.uk)
- Both myopia (nearsightedness) and hyperopia (farsightedness) are caused by refractive errors in the human eye. (thebetterindia.com)
- Just like eyeglasses, they correct refractive errors such as myopia (nearsightedness) and hyperopia (farsightedness). (howstuffworks.com)
- Hyperopia, or farsightedness, happens when the eyeball is too short, causing it to focus light rays behind the retina. (howstuffworks.com)
- WHAT IS HYPEROPIA ( FARSIGHTEDNESS)? (aapos.org)
- LASIK eye surgery (laser in-situ keratomileusis) is the preferred and most common laser eye surgery procedure to correct farsightedness (hyperopia). (keywhitman.com)
- Vision being blurry close up is caused by an eye disorder called farsightedness(hyperopia). (xshotpix.com)
- Farsightedness (hyperopia) occurs in some people when the eyeball is too short for the refractive power of the cornea and lens. (msdmanuals.com)
- Numerous refractive surgery procedures are utilized in the management of hyperopia and presbyopia. (medscape.com)
Myopia1
- Nearsightedness (myopia) occurs when the eyeball is too long for the refractive power of the cornea and lens. (msdmanuals.com)
Presbyopia6
- Currently, presbyopia can be corrected by refractive surgery (LASIK). (myhealth.gov.my)
- Presbyopia is a type of age-related farsightedness that is a natural part of the aging process. (brobergeyecare.com)
- Some people refer to presbyopia as "age-related farsightedness," but this isn't an accurate term for presbyopia because it's not the same as typical farsightedness. (warbyparker.com)
- In this guide, we'll discuss what causes presbyopia, how it differs from farsightedness, its symptoms, and its treatment options. (warbyparker.com)
- Like nearsightedness, presbyopia is a kind of refractive error: A condition caused by light refracting improperly within the eye and missing its mark on the retina. (warbyparker.com)
- Refractive lens exchange (RLE) is a more invasive procedure that can be used for presbyopia correction. (allaboutvision.com)
Retina14
- In farsightedness, the point of focus falls behind the retina, making close-up objects appear blurry. (mayoclinic.org)
- Refractive error, also known as refraction error, is a problem with focusing light accurately on the retina due to the shape of the eye and or cornea. (wikipedia.org)
- An eye that has no refractive error when viewing distant objects is said to have emmetropia or be emmetropic meaning the eye is in a state in which it can focus parallel rays of light (light from distant objects) on the retina, without using any accommodation. (wikipedia.org)
- Spherical errors occur when the optical power of the eye is either too large or too small to focus light on the retina. (wikipedia.org)
- When images are not properly focused on the retina, a refractive error exists. (myhealth.gov.my)
- Refractive errors occur when light does not correctly focus on the retina, which is the light-sensitive tissue at the back of the eye. (cdc.gov)
- Sometimes the cornea doesn't focus light precisely on the retina because of a refractive error . (howstuffworks.com)
- If light rays are not focused well on the retina, a refractive error may be present. (aapos.org)
- Farsightedness is a common refractive error that causes light to incorrectly bounce off the retina, skewing vision. (keywhitman.com)
- Refractive error is a condition that causes blurred vision when light rays entering the eye meet in front of or behind the retina rather than directly on it. (alberta.ca)
- Like other types of refractive surgery, the LASIK procedure reshapes the cornea to enable light entering the eye to be properly focused onto the retina for clearer vision. (allaboutvision.com)
- In refractive disorders, light rays entering the eye are not focused on the retina, causing blurred vision. (msdmanuals.com)
- When there is a refractive error, the cornea and lens cannot focus light rays on the retina. (msdmanuals.com)
- When the cornea and lens cannot focus the image of an object sharply on the retina, it is called a refractive error. (msdmanuals.com)
Nearsightedness or farsightedness1
- Severe nearsightedness or farsightedness means your cornea is significantly misshapen. (visionboston.com)
Type of refractive error2
- It is a type of refractive error. (medicalnewstoday.com)
- Farsightedness is a type of refractive error that makes distant objects appear in focus, while nearby objects appear out of focus and blurry. (zeiss.com)
Blurry vision1
- People with refractive error frequently have blurry vision. (wikipedia.org)
Symptoms5
- A person should have an eye exam if they are experiencing any of the above symptoms or reach 40 years of age without symptoms of farsightedness. (medicalnewstoday.com)
- Everyone with a refractive error should have regular eye exams to check their prescription is up to date and prevent symptoms such as headaches and eye strain. (guidedogs.org.uk)
- Have you met your threshold of dealing with the symptoms of vision problems, more specifically, refractive errors? (hauteliving.com)
- The signs and symptoms of farsightedness are worse the closer one gets to the eye. (aapos.org)
- Most studies reporting on subjective complaints lack objective data concerning persistently bothersome symptoms, and cannot distinguish between refractive error remaining after surgery and adverse effects of the surgery itself. (aafp.org)
Contact lenses9
- Glasses or contact lenses can usually correct refractive errors. (medlineplus.gov)
- Refractive errors are corrected with eyeglasses, contact lenses, or surgery. (wikipedia.org)
- Contact lenses and eyeglasses made with curves to properly refract the light may be used to correct vision, but LASIK eye surgery can reduce or eliminate a dependence on prescription lenses due to farsightedness. (keywhitman.com)
- If you have been diagnosed with farsightedness, nearsightedness or any other refractive error in your vision and use prescribed eyeglasses or contact lenses to correct your vision, contact Key-Whitman for a free consultation to determine if you are a candidate for LASIK eye surgery. (keywhitman.com)
- A variety of refractive surgery techniques, which reshape the corneal stroma using laser energy, have been marketed as simple and safe alternatives to glasses or contact lenses. (aafp.org)
- Over the past two decades, a variety of refractive surgery techniques have been developed and marketed as simple and safe alternatives to glasses or contact lenses. (aafp.org)
- Laser Vision Correction, also known as refractive surgery, includes several elective surgical procedures that can reduce or eliminate your need for glasses or contact lenses. (unitypoint.org)
- Eyeglasses, contact lenses, or refractive surgery can correct vision. (msdmanuals.com)
- Refractive errors can be corrected by eyeglasses, contact lenses, or eye surgery. (msdmanuals.com)
LASIK7
- Mass Eye and Ear surgeons use the latest technology and equipment, including highly precise lasers that have helped improve satisfaction rates for patients who choose LASIK and other refractive surgeries. (masseyeandear.org)
- Mass. Eye and Ear provides the most advanced forms of refractive surgery, ranging from LASIK to implantable lenses. (masseyeandear.org)
- LASIK is a combined microsurgical and excimer laser procedure for correcting refractive errors of the eyes. (medindia.net)
- Nearsightedness, farsightedness or astigmatisms are pretty common and are fixable thanks to LASIK procedures. (hauteliving.com)
- Do you have questions about how LASIK eye surgery can correct refractive errors such as farsightedness? (keywhitman.com)
- LASIK has been around for decades and is used to correct refractive errors of the eye. (lipstocklaser.com)
- In this case, LASIK to correct the refractive error in one eye may jumpstart the brain to start using both eyes in tandem again. (lipstocklaser.com)
Eyeglasses1
- For many people with refractive errors, wearing prescription eyeglasses is the way they achieve clarity of vision. (rebuildyourvision.com)
Corneal1
- Refractive surgery, as it is known today, was not realized until 1966 when Pureskin first appreciated its potential with the demonstration that refractive changes could be made by removing central tissue underneath a corneal flap. (medscape.com)
Occurs4
- Farsightedness occurs when your eyeball is shorter than normal or your cornea is curved too little. (mayoclinic.org)
- Farsightedness occurs when light does not refract properly. (medicalnewstoday.com)
- This eye condition occurs when vision in one eye is reduced because of a communication error between the brain and the affected eye. (cdc.gov)
- Farsightedness occurs when the eye is too short. (keywhitman.com)
Excimer laser1
- Burratto and Pallikaris then combined the microkeratome technique with the use of the excimer laser to ablate tissue and to induce refractive change. (medscape.com)
Amblyopia1
- A lazy eye, also called amblyopia, is poor vision in one eye due to a developmental error, often in childhood. (lipstocklaser.com)
Closer3
- People with severe farsightedness may be able to clearly see only objects a great distance away, while those with mild farsightedness may be able to clearly see objects that are closer. (mayoclinic.org)
- People with farsightedness can see objects farther away better than closer objects. (medicalnewstoday.com)
- They move with your eye and correct the refractive error closer to the eye to allow for a more natural field of vision. (howstuffworks.com)
Procedure1
- Laser-assisted subepithelial keratectomy (LASEK) is a laser surgical procedure for the correction of refractive error. (medscape.com)
Distant objects1
- An eye that has refractive error when viewing distant objects is said to have ametropia or be ametropic. (wikipedia.org)
Lenses3
- Corrective lenses or refractive surgery may achieve this. (medicalnewstoday.com)
- The team has developed a phoropter, an instrument used to test different lenses to assess the refractive errors of the eyes. (thebetterindia.com)
- Before we begin talking specifically about contacts, let's review how vision works and how lenses correct refractive vision problems. (howstuffworks.com)
Surgeries1
- Both refractive surgeries can give you excellent vision, but sometimes PRK is the better option for health and safety reasons. (visionboston.com)
Cataract2
- Dr. Faktorovich is the founder and remains the Chair of the Annual San Francisco Cataract, Cornea, and Refractive Surgery Symposium dedicated to the continuing education of the Bay Area eye doctors in refractive surgery and other aspects of advanced patient eye care. (hauteliving.com)
- At Southside Medical Center in Atlanta, GA, we offer a wide range of optometry services, from eye testing for refractive errors to cataract detection. (southsidemedical.net)
Correct2
- He or she can determine the degree of your farsightedness and advise you of options to correct your vision. (mayoclinic.org)
- Sphere (SPH) - The sphere value is the degree of correction needed to correct nearsightedness (a number with a minus sign) or farsightedness (a number with a plus sign) if you also have one of these vision problems. (eyebuydirect.com)
Vision problems1
- Refractive errors are vision problems that happen when the shape of the eye keeps you from focusing well. (medlineplus.gov)
Surgical1
- Pallikaris attempted this technique on blind human eyes in 1989 and on sighted human eyes in 1991, thereby creating a refractive surgical technique similar to the procedures currently in practice. (medscape.com)
Occur1
- Some refractive errors occur more often among those whose parents are affected. (wikipedia.org)
Severe1
- But it can tell a person if his/her refractive error is severe enough to merit a visit to the doctor. (thebetterindia.com)
Eyes5
- Other terminology include anisometropia, when the two eyes have unequal refractive power, and aniseikonia which is when the magnification power between the eyes differ. (wikipedia.org)
- Dr. Kornmehl can help you determine which refractive surgery is right for your eyes and lifestyle. (visionboston.com)
- Refractive errors refer to common issues with the vision caused by the improper passage of light through the eyes. (brobergeyecare.com)
- There is one exception to this rule: lazy eyes that are caused by one eye working harder than the other because of a refractive error. (lipstocklaser.com)
- In anisometropia, people have a significant difference between the refractive errors of the eyes. (msdmanuals.com)
Astigmatisms1
- The most common vision related issues people experience are nearsightedness, farsightedness, and astigmatisms. (eyebuydirect.com)
Person's1
- Refractive error may be quantified as the error of a wavefront arising from a person's far point, compared with a plane, or zero vergence, wavefront compared at an appropriate reference plane. (wikipedia.org)
Correction1
- As an innovator in the development of advanced vision correction treatments, she has achieved worldwide acclaim for her contributions in the field of refractive surgery. (hauteliving.com)
Light2
- If your cornea or lens isn't evenly and smoothly curved, light rays aren't refracted properly, and you have a refractive error. (mayoclinic.org)
- Farsightedness is a refractive error meaning that light rays bend incorrectly in your eye to transmit images to the brain. (xshotpix.com)
Complications1
- Although there are few high-quality prospective studies of long-term outcomes, complications, or stability for refractive surgery procedures, there is at least general agreement that more than 90% of appropriately selected patients achieve excellent uncorrected distance vision. (aafp.org)
People3
- The number of people globally with refractive errors has been estimated at one to two billion. (wikipedia.org)
- The number of people with refractive errors that have not been corrected was estimated at 660 million (10 per 100 people) in 2013. (wikipedia.org)
- The National Center for Health Statistics, which conducts many health surveys of the American people, considers an estimate to be reliable if it has a relative standard error of 30% or less. (cdc.gov)
Childhood1
- Refractive errors are often detected during childhood. (brobergeyecare.com)
Children2
- children with refractive error need special attention and proper eye care consultation. (myhealth.gov.my)
- Untreated refractive error in children may lead to ambyopia (lazy eye). (myhealth.gov.my)
Increases1
- A test to measure the pressure inside the eye (intraocular pressure) as farsightedness increases the risk of a form of glaucoma. (guidedogs.org.uk)
Procedures1
- Its popularity in this country has decreased from a peak of 1,400,000 procedures in 2006 for reasons that are not entirely clear, although millions of persons worldwide, particularly in Asia, still choose refractive surgery. (aafp.org)
Permanently1
- Refractive surgery permanently changes the shape of the cornea. (wikipedia.org)
Exam1
- An optometrist can perform a standard eye exam to diagnose farsightedness. (medicalnewstoday.com)