Cornea: The transparent anterior portion of the fibrous coat of the eye consisting of five layers: stratified squamous CORNEAL EPITHELIUM; BOWMAN MEMBRANE; CORNEAL STROMA; DESCEMET MEMBRANE; and mesenchymal CORNEAL ENDOTHELIUM. It serves as the first refracting medium of the eye. It is structurally continuous with the SCLERA, avascular, receiving its nourishment by permeation through spaces between the lamellae, and is innervated by the ophthalmic division of the TRIGEMINAL NERVE via the ciliary nerves and those of the surrounding conjunctiva which together form plexuses. (Cline et al., Dictionary of Visual Science, 4th ed)Keratoconus: A noninflammatory, usually bilateral protrusion of the cornea, the apex being displaced downward and nasally. It occurs most commonly in females at about puberty. The cause is unknown but hereditary factors may play a role. The -conus refers to the cone shape of the corneal protrusion. (From Dorland, 27th ed)Corneal Stroma: The lamellated connective tissue constituting the thickest layer of the cornea between the Bowman and Descemet membranes.Corneal Diseases: Diseases of the cornea.Descemet Membrane: A layer of the cornea. It is the basal lamina of the CORNEAL ENDOTHELIUM (from which it is secreted) separating it from the CORNEAL STROMA. It is a homogeneous structure composed of fine collagenous filaments, and slowly increases in thickness with age.Epithelium, Corneal: Stratified squamous epithelium that covers the outer surface of the CORNEA. It is smooth and contains many free nerve endings.Keratoplasty, Penetrating: Partial or total replacement of all layers of a central portion of the cornea.Fuchs' Endothelial Dystrophy: Disorder caused by loss of endothelium of the central cornea. It is characterized by hyaline endothelial outgrowths on Descemet's membrane, epithelial blisters, reduced vision, and pain.Endothelium, Corneal: Single layer of large flattened cells covering the surface of the cornea.Eye Burns: Injury to any part of the eye by extreme heat, chemical agents, or ultraviolet radiation.Corneal Opacity: Disorder occurring in the central or peripheral area of the cornea. The usual degree of transparency becomes relatively opaque.Corneal Edema: An excessive amount of fluid in the cornea due to damage of the epithelium or endothelium causing decreased visual acuity.Corneal Transplantation: Partial or total replacement of the CORNEA from one human or animal to another.Corneal Topography: The measurement of curvature and shape of the anterior surface of the cornea using techniques such as keratometry, keratoscopy, photokeratoscopy, profile photography, computer-assisted image processing and videokeratography. This measurement is often applied in the fitting of contact lenses and in diagnosing corneal diseases or corneal changes including keratoconus, which occur after keratotomy and keratoplasty.Keratan Sulfate: A sulfated mucopolysaccharide initially isolated from bovine cornea. At least two types are known. Type I, found mostly in the cornea, contains D-galactose and D-glucosamine-6-O-sulfate as the repeating unit; type II, found in skeletal tissues, contains D-galactose and D-galactosamine-6-O-sulfate as the repeating unit.Keratitis: Inflammation of the cornea.Corneal Neovascularization: New blood vessels originating from the corneal veins and extending from the limbus into the adjacent CORNEAL STROMA. Neovascularization in the superficial and/or deep corneal stroma is a sequel to numerous inflammatory diseases of the ocular anterior segment, such as TRACHOMA, viral interstitial KERATITIS, microbial KERATOCONJUNCTIVITIS, and the immune response elicited by CORNEAL TRANSPLANTATION.Burns, ChemicalCorneal Dystrophies, Hereditary: Bilateral hereditary disorders of the cornea, usually autosomal dominant, which may be present at birth but more frequently develop during adolescence and progress slowly throughout life. Central macular dystrophy is transmitted as an autosomal recessive defect.Corneal Ulcer: Loss of epithelial tissue from the surface of the cornea due to progressive erosion and necrosis of the tissue; usually caused by bacterial, fungal, or viral infection.Wound Healing: Restoration of integrity to traumatized tissue.Organ Culture Techniques: A technique for maintenance or growth of animal organs in vitro. It refers to three-dimensional cultures of undisaggregated tissue retaining some or all of the histological features of the tissue in vivo. (Freshney, Culture of Animal Cells, 3d ed, p1)Rabbits: The species Oryctolagus cuniculus, in the family Leporidae, order LAGOMORPHA. Rabbits are born in burrows, furless, and with eyes and ears closed. In contrast with HARES, rabbits have 22 chromosome pairs.Microscopy, Confocal: A light microscopic technique in which only a small spot is illuminated and observed at a time. An image is constructed through point-by-point scanning of the field in this manner. Light sources may be conventional or laser, and fluorescence or transmitted observations are possible.Eye ProteinsEpithelium: One or more layers of EPITHELIAL CELLS, supported by the basal lamina, which covers the inner or outer surfaces of the body.Collagen: A polypeptide substance comprising about one third of the total protein in mammalian organisms. It is the main constituent of SKIN; CONNECTIVE TISSUE; and the organic substance of bones (BONE AND BONES) and teeth (TOOTH).Cell Count: The number of CELLS of a specific kind, usually measured per unit volume or area of sample.Reverse Transcriptase Polymerase Chain Reaction: A variation of the PCR technique in which cDNA is made from RNA via reverse transcription. The resultant cDNA is then amplified using standard PCR protocols.Eye Banks: Centers for storing various parts of the eye for future use.RNA, Messenger: RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm.Corneal Keratocytes: Fibroblasts which occur in the CORNEAL STROMA.Ophthalmic Nerve: A sensory branch of the trigeminal (5th cranial) nerve. The ophthalmic nerve carries general afferents from the superficial division of the face including the eyeball, conjunctiva, upper eyelid, upper nose, nasal mucosa, and scalp.Keratitis, Herpetic: A superficial, epithelial Herpesvirus hominis infection of the cornea, characterized by the presence of small vesicles which may break down and coalesce to form dendritic ulcers (KERATITIS, DENDRITIC). (Dictionary of Visual Science, 3d ed)Limbus Corneae: An annular transitional zone, approximately 1 mm wide, between the cornea and the bulbar conjunctiva and sclera. It is highly vascular and is involved in the metabolism of the cornea. It is ophthalmologically significant in that it appears on the outer surface of the eyeball as a slight furrow, marking the line between the clear cornea and the sclera. (Dictionary of Visual Science, 3d ed)Lasers, Excimer: Gas lasers with excited dimers (i.e., excimers) as the active medium. The most commonly used are rare gas monohalides (e.g., argon fluoride, xenon chloride). Their principal emission wavelengths are in the ultraviolet range and depend on the monohalide used (e.g., 193 nm for ArF, 308 nm for Xe Cl). These lasers are operated in pulsed and Q-switched modes and used in photoablative decomposition involving actual removal of tissue. (UMDNS, 2005)Conjunctiva: The mucous membrane that covers the posterior surface of the eyelids and the anterior pericorneal surface of the eyeball.Tissue Preservation: The process by which a tissue or aggregate of cells is kept alive outside of the organism from which it was derived (i.e., kept from decay by means of a chemical agent, cooling, or a fluid substitute that mimics the natural state within the organism).Photorefractive Keratectomy: A type of refractive surgery of the CORNEA to correct MYOPIA and ASTIGMATISM. An EXCIMER LASER is used directly on the surface of the EYE to remove some of the CORNEAL EPITHELIUM thus reshaping the anterior curvature of the cornea.Ophthalmic Solutions: Sterile solutions that are intended for instillation into the eye. It does not include solutions for cleaning eyeglasses or CONTACT LENS SOLUTIONS.Sodium Hydroxide: A highly caustic substance that is used to neutralize acids and make sodium salts. (From Merck Index, 11th ed)Eye Injuries: Damage or trauma inflicted to the eye by external means. The concept includes both surface injuries and intraocular injuries.Fluorescent Antibody Technique, Indirect: A form of fluorescent antibody technique commonly used to detect serum antibodies and immune complexes in tissues and microorganisms in specimens from patients with infectious diseases. The technique involves formation of an antigen-antibody complex which is labeled with fluorescein-conjugated anti-immunoglobulin antibody. (From Bennington, Saunders Dictionary & Encyclopedia of Laboratory Medicine and Technology, 1984)Eye: The organ of sight constituting a pair of globular organs made up of a three-layered roughly spherical structure specialized for receiving and responding to light.Tears: The fluid secreted by the lacrimal glands. This fluid moistens the CONJUNCTIVA and CORNEA.Contact Lenses: Lenses designed to be worn on the front surface of the eyeball. (UMDNS, 1999)Artificial Organs: Devices intended to replace non-functioning organs. They may be temporary or permanent. Since they are intended always to function as the natural organs they are replacing, they should be differentiated from PROSTHESES AND IMPLANTS and specific types of prostheses which, though also replacements for body parts, are frequently cosmetic (EYE, ARTIFICIAL) as well as functional (ARTIFICIAL LIMBS).Alkalies: Usually a hydroxide of lithium, sodium, potassium, rubidium or cesium, but also the carbonates of these metals, ammonia, and the amines. (Grant & Hackh's Chemical Dictionary, 5th ed)Administration, Topical: The application of drug preparations to the surfaces of the body, especially the skin (ADMINISTRATION, CUTANEOUS) or mucous membranes. This method of treatment is used to avoid systemic side effects when high doses are required at a localized area or as an alternative systemic administration route, to avoid hepatic processing for example.Low Tension Glaucoma: A form of GLAUCOMA in which chronic optic nerve damage and loss of vision normally attributable to buildup of intraocular pressure occurs despite prevailing conditions of normal intraocular pressure.Glaucoma, Open-Angle: Glaucoma in which the angle of the anterior chamber is open and the trabecular meshwork does not encroach on the base of the iris.Intraocular Pressure: The pressure of the fluids in the eye.Periodicals as Topic: A publication issued at stated, more or less regular, intervals.Optic Disk: The portion of the optic nerve seen in the fundus with the ophthalmoscope. It is formed by the meeting of all the retinal ganglion cell axons as they enter the optic nerve.Optic Nerve Diseases: Conditions which produce injury or dysfunction of the second cranial or optic nerve, which is generally considered a component of the central nervous system. Damage to optic nerve fibers may occur at or near their origin in the retina, at the optic disk, or in the nerve, optic chiasm, optic tract, or lateral geniculate nuclei. Clinical manifestations may include decreased visual acuity and contrast sensitivity, impaired color vision, and an afferent pupillary defect.Glaucoma: An ocular disease, occurring in many forms, having as its primary characteristics an unstable or a sustained increase in the intraocular pressure which the eye cannot withstand without damage to its structure or impairment of its function. The consequences of the increased pressure may be manifested in a variety of symptoms, depending upon type and severity, such as excavation of the optic disk, hardness of the eyeball, corneal anesthesia, reduced visual acuity, seeing of colored halos around lights, disturbed dark adaptation, visual field defects, and headaches. (Dictionary of Visual Science, 4th ed)
Non-invasive intracranial pressure measurement methods
Laminins in normal, keratoconus, bullous keratopathy and scarred human corneas
Elastic microfibril distribution in the cornea: Differences between normal and keratoconic stroma
Notch1 Signaling Pathway in Aniridia- Related Keratopathy, Normal Fetal and Adult Human Corneas
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Expression of the focal adhesion protein PINCH in normal and alkali-injured corneas and the role of PMNs
Detection of specific collagen types in normal and keratoconus corneas. | IOVS | ARVO Journals
Laser-scanning in vivo confocal microscopy reveals two morphologically distinct populations of stromal nerves in normal human...
miRNA EXPRESSION PROFILING IN CENTRAL AND LIMBAL DIABETIC AND NORMAL HUMAN CORNEAS USING DEEP SEQUENCING | IOVS | ARVO Journals
May 1996 - Volume 15 - Issue 3 : Cornea
Cornea rota 2020/2021 - Google Sheets
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Cornea stromal abscess | definition of cornea stromal abscess by Medical dictionary
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Cornea Transplant Recovery - Cornea Transplant Surgery and Risks | HowStuffWorks
PPT - cornea PowerPoint Presentation - ID:2075264
white ziz zag lightning bolts around cornea when eyes closed - Eye Care - MedHelp
Shape of the corneaScleraCentral corneaStromaInflammationPatient's corneaTransplantationBiomechanical propertiesKeratitisEntire corneaEyelidsCenter of the corneaBilateralRigid gas-permeableThin corneasEnter the corneaCloudy CorneaTransplantsSurgeryKeratocyte densityOcularArtificial corneaOpaqueUltrastructureInfectionContact lensesOutermost layerCorneal OpacitiesSymptomsPlanaVerticillataAnterior lamellarAnatomyCongenital
Shape of the cornea7
- Keratoconus is a condition where the normal rounded shape of the cornea becomes distorted. (artisanoptics.com)
- Keratoconus is a condition where the normal rounded shape of the cornea becomes distorted and a cone-like bulge develops. (artisanoptics.com)
- It is the second FDA-approved implantable corneal device for correction of near vision in patients who have not had cataract surgery and the first implantable device that changes the shape of the cornea to achieve improved vision. (fda.gov)
- These vision disorders are often the result of incorrect curvature or irregular shape of the cornea and are the most common vision disorders in this country. (innovations-report.com)
- Vision problems such as astigmatism or nearsightedness (myopia) are often caused by changes in the normal shape of the cornea. (webmd.com)
- That gives you the shape of the cornea. (tctmagazine.com)
- The shape of the cornea is important in terms of transplantation and that isn't easily addressed with the current systems for donors. (tctmagazine.com)
Sclera1
Central cornea6
- In the peripheral cornea/limbus there are elastin-containing sheets or broad fibers, most of which become microfibril bundles (MBs) with little or no elastin component when reaching the central cornea. (ovid.com)
- The purpose of this study was to use laser scanning in vivo confocal microscopy to elucidate the location and morphology of stromal nerves in the normal human central cornea. (bmj.com)
- Analysis was performed via an established database of laser-scanning in vivo confocal microscopy on images of the central cornea of normal subjects. (bmj.com)
- Unsectioned tissue blocks from the central cornea of five rabbits were stained with propidium iodide and imaged using a Leica laser scanning confocal microscope. (elsevier.com)
- To identify mediators of granulocyte recruitment to the corneal stroma, we determined the relative contribution of chemokine receptors CXC chemokine receptor (CXCR)-2 (IL-8R homologue) and CCR1 using a murine model of ocular onchocerciasis (river blindness) in which neutrophils and eosinophils migrate from peripheral vessels to the central cornea. (jimmunol.org)
- 0.0001 compared with control, BALB/c mice) with only occasional neutrophils detected in the central cornea. (jimmunol.org)
Stroma12
- The expression of alpha11 integrin chain in the cornea is of great interest, as it is part of the alpha11beta1 integrin receptor for collagen type I, the predominant component of the corneal stroma. (diva-portal.org)
- Normal and knockout (ko) mice were treated with laser surgery to create a deep wound in the corneal stroma. (diva-portal.org)
- The optical and biomechanical properties of the cornea are largely governed by the collagen-rich stroma, a layer that represents approximately 90% of the total thickness. (ovid.com)
- In the normal cornea, we previously characterised the three-dimensional arrangement of an elastic fiber network spanning the posterior stroma from limbus-to-limbus. (ovid.com)
- MBs are absent from a region of stroma anterior to Descemet's membrane, an area that is densely populated in normal cornea, whilst being concentrated below the epithelium, an area in which they are absent in normal cornea. (ovid.com)
- Identical staining patterns were found for Notch1 in normal adult and fetal corneas, with staining around the basal epithelial cells and in a few streaks in the stroma. (diva-portal.org)
- In ARK corneas, Notch1 was not detected in the pannus of the stroma. (diva-portal.org)
- Dlk1 was also abundant in the epithelium and in the stroma of fetal corneas but was absent from the stroma of normal adult corneas. (diva-portal.org)
- DLK is now healed but left a central scar on my anterior stroma (cornea)-right eye only. (usaeyes.org)
- We found that production of macrophage-inflammatory protein (MIP)-2, KC, and MIP-1α was localized to the corneal stroma, rather than to the epithelium, which was consistent with the location of neutrophils in the cornea. (jimmunol.org)
- The mutant stroma exhibited impaired keratocyte differentiation with accelerated cell proliferation and reduction in the accumulation of collagen type I. The mutant embryos also showed hyperproliferative nodules in the ocular surface epithelia with anomaly of cornea-type epithelial differentiation and the absence of the epithelial basement membrane. (molvis.org)
- In normal cornea EMMPRIN was predominantly expressed in the epithelium but was markedly induced in the anterior stroma of ulcerated corneas. (elsevier.com)
Inflammation5
- The inflammation of cornea is called keratitis. (wikibooks.org)
- In addition to scaring, DLK inflammation often leaves an irregular cornea. (usaeyes.org)
- These observations demonstrate the critical role for CXCR2 expression in neutrophil infiltration to the cornea and may indicate a target for immune intervention in neutrophil-mediated corneal inflammation. (jimmunol.org)
- Keratitis is the medical term for inflammation of the cornea. (healthhype.com)
- Non-infectious keratitis simply means that the inflammation of the cornea is not due to an infection. (healthhype.com)
Patient's cornea2
- In this phase of the study, it is aimed to assess the feasibility of the procedure and the biosafety of the implant once grafted in the patient's cornea. (clinicaltrials.gov)
- During Cornea Transplant Surgery, a circle of tissue about 8mm in diameter is removed from the patient's cornea. (cornealassociates.com)
Transplantation7
- Two human fetal corneas, 10 and 20 weeks of gestation, two naïve corneal buttons from patients with advanced ARK, three corneal buttons from patients with ARK undergoing re-transplantation, as well as two adult healthy control corneas were processed for immunohistochemistry using antibodies against Notch1, Dlk1 and Numb. (diva-portal.org)
- In addition to safety and feasibility, the outcomes of the new CALEC technique will be investigated by evauating whether CALEC leads to improved vision either by itself or by enabling cornea transplantation. (eurekalert.org)
- Identification of the protein profile of the normal human cornea may also be very useful in the effort toward generating artificial corneas for transplantation. (innovations-report.com)
- With further research, this approach could help restore sight to millions of people who are waiting for a donated human cornea for transplantation," she added. (thelocal.se)
- Corneal transplantation can help people who have vision loss due to disease or trauma of the cornea. (cornealassociates.com)
- We investigated the influence of high hydrostatic pressure (HHP) on the decellularization of the corneal ultrastructure and its involvement in transparency, and assessed the in vivo behaviour of the decellularized cornea using two animal transplantation models, in relation to remodelling of collagen fibrils. (pubmedcentralcanada.ca)
- Interestingly, subsequent in vivo studies, using interlamellar keratoplasty and deep anterior lamellar keratoplasty (DALK) in a xenotransplantation model, demonstrated that the decellularized cornea was opaque immediately after transplantation, but eventually became transparent within a follow-up period 14 . (pubmedcentralcanada.ca)
Biomechanical properties4
- Corneal biomechanical properties and tomographic results of 36 normal subjects were measured by Ocular Response Analyzer (ORA) and Pentacam and the correlation between these two measurements were analyzed with Pearson correlation test with SPSS version16. (irjo.org)
- Since corneal volume is a three dimensional parameter, it can play a more effective role than corneal thickness, the two dimensional parameter, in determining biomechanical properties of cornea. (irjo.org)
- Ostadimoghaddam H, Sedaghat M R, Hoseini Yazdi S H, Niyazmand H. The Correlation between Biomechanical Properties of Normal Cornea with Tomographic Parameters of Pentacam. (irjo.org)
- Hypotheses suggest that the alteration of biomechanical properties of the cornea develops before the topographic and tomographic changes and that the bulging and thinning depend on the biomechanical alteration. (healio.com)
Keratitis4
- The progression from presentation to diagnosis to treatment to stabilization of your Diffuse Lamellar Keratitis ( DLK ) appears to be a normal course. (usaeyes.org)
- Other diseases that affect the cornea range from bacterial, fungal, and viral infections (keratitis) and allergies to various dystrophies including keratoconus. (innovations-report.com)
- Since the cornea is the clear dome-shaped layer over the iris and pupil, it can lead to visual disturbances when inflamed apart from the redness and pain that is common in keratitis. (healthhype.com)
- Infectious keratitis is an infection of the cornea caused by viruses, bacteria, fungi and other parasites. (healthhype.com)
Entire cornea1
- Keratoglobus: It is a familial and hereditary bilateral congenital disorder characterized by thinning and hemispherical protrusion of the entire cornea. (wikibooks.org)
Eyelids1
- The eyelids shut to prevent physical trauma to the cornea and the rest of the eye as far as possible. (healthhype.com)
Center of the cornea1
- In normal corneas, sensory nerve regeneration is robust, starting near the limbus with newly formed sensory nerve fibers and endings arranged in parallel and extending radially toward the center of the cornea ( 16 , 18 , 19 ). (diabetesjournals.org)
Bilateral2
- Keratconus: is a non-inflammatory, mostly bilateral, ectatic condition of cornea in it's axial part. (wikibooks.org)
- Resumo em inglês Purpose: To report two cases of bilateral cornea plana with high hypermetropia. (worldwidescience.org)
Rigid gas-permeable1
- Scleral lenses are popular because of their excellent vision with improved comfort over cornea rigid gas-permeable contact lenses. (medscape.com)
Thin corneas2
- The Ocular Hypertension Treatment Study found that study patients with elevated pressures (greater than 24 mm Hg) and thicker corneas, were dramatically lower risk of developing glaucoma than those patient with elevated pressures and normal or thin corneas. (aao.org)
- Normal eyes with thick corneas have higher readings, and normal eyes with thin corneas have lower readings. (medlineplus.gov)
Enter the cornea1
- In DSEK, a surgeon uses special instruments to enter the cornea. (cornealassociates.com)
Cloudy Cornea1
- The most traditional that's been around for more than 100 years is called penetrating keratoplasty (PKP) which involves removing the entire cloudy cornea. (howstuffworks.com)
Transplants2
- For more information and links, you might want to visit my main Keratoconus and Cornea Transplants page. (febo.com)
- I'm making this information available because I was unable to find anything like it as I was searching the web for information about cornea transplants -- there wasn't much information about the post-operative period, the (lengthy) healing process, or the final goal of getting corrected vision. (febo.com)
Surgery5
- LASIK eye surgery - a laser reshaping of the cornea to improve vision - is one of the most popular elective surgeries in the United States, and a University of Houston professor of biomedical engineering intends to improve upon it by giving surgeons more information about the cornea before they begin. (news-medical.net)
- During the cornea transplant surgery, you'll be given either a local or general anesthesia depending on your age, the medical shape you are in or the diseased state of your eye. (howstuffworks.com)
- There are a few types of cornea transplant surgery. (howstuffworks.com)
- The sutures are barely visible and do not cause pain, although it is normal for the eye to feel scratchy or irritated for the first few days after surgery. (cornealassociates.com)
- For adults, surgery on the cornea may be useful. (cyh.com)
Keratocyte density2
- The anteroposterior keratocyte density distribution in the rabbit cornea was measured. (elsevier.com)
- Jester, J. V. / Quantitative assessment of anteroposterior keratocyte density in the normal rabbit cornea . (elsevier.com)
Ocular2
- Studies, such as "Ocular Drug Delivery" published September 2010 in the AAPS Journal , say that as little as 5 percent of drops actually reach their destination-the anterior segment of the eye-due to the eye's protective barriers such as tears and the cornea. (aoa.org)
- and, Optic Nerve) includes approximately 30 color figures of common eye pathology diagnoses and also reviews the normal histology of each ocular component. (springer.com)
Artificial cornea1
- The decellularized cornea has received considerable attention for use as an artificial cornea. (pubmedcentralcanada.ca)
Opaque2
- When these cells stop working, the cornea can fill with fluid and become opaque. (howstuffworks.com)
- A group of inherited corneal disorders including granular and lattice corneal dystrophies are characterized by deposition of insoluble and opaque macromolecules in the cornea. (innovations-report.com)
Ultrastructure3
- However, the ultrastructure of the decellularized cornea has yet to be demonstrated in detail. (pubmedcentralcanada.ca)
- Transmission electron microscopy revealed that the ultrastructure of the decellularized cornea prepared by the HHP method was better maintained than that of the decellularized cornea prepared by the detergent method. (pubmedcentralcanada.ca)
- We conclude that the superior properties of the decellularized cornea prepared by the HHP method were attributed to the preservation of the corneal ultrastructure. (pubmedcentralcanada.ca)
Infection3
- New findings from researchers at Washington University School of Medicine in St. Louis suggest the eye's cornea can resist infection from the novel coronavirus. (news-medical.net)
- I assume the infection was only on the surface so the interior of the eye is normal. (healthtap.com)
- For example, fibrosis of the cornea can occur after a viral infection, leading to corneal opacification and thereby loss of vision. (jci.org)
Contact lenses2
- Scratching of the cornea by the fingernails, airborne projectiles, prolonged use of contact lenses, torn lenses and other forms of trauma to the eye. (healthhype.com)
- That data is collected using normal ophthalmic cameras that they use for fitting contact lenses. (tctmagazine.com)
Outermost layer1
- The cornea is the clear, outermost layer of the eye responsible for maintaining a smooth surface for normal vision. (eurekalert.org)
Corneal Opacities2
- Clinically, white, punctuate to linear corneal opacities are first noted in the central (axial) cornea in the zone corresponding to the interpalpebral fissure. (nih.gov)
- The sha-lowness of the anterior chamber, deep stromal corneal opacities and upper lid with ptotic appearance besides the familial distribuition are supposed to agree with the documented description of the recessive variety of cornea plana. (worldwidescience.org)
Symptoms1
- 5. A method to alleviate symptoms of dry eye from an injury to a cornea, said method comprising topically administering to the injured cornea an effective amount of a combination of nerve growth factor and docosahexaenoic acid. (freepatentsonline.com)
Plana1
- Discussion: The management of the cornea plana is discussed. (worldwidescience.org)
Verticillata2
- Histopathologic findings of cornea verticillata in a woman heterozygous for Fabry's disease. (biomedsearch.com)
- PURPOSE: To report the histopathologic findings of the cornea verticillata observed in a woman who was heterozygous for Fabry's disease. (biomedsearch.com)
Anterior lamellar1
- The decellularized cornea after interlamellar keratoplasty and microkeratome-assisted anterior lamellar keratoplasty using a rabbit model was stable and remained transparent without ultrastructural alterations. (pubmedcentralcanada.ca)
Anatomy1
- Anatomy of the cornea. (slideserve.com)
Congenital3
- The novel finding of LMalpha3, beta3 and gamma2 in the DM of keratoconus buttons indicates that this membrane is also involved in the disease and that some cases of keratoconus may have a congenital origin, without normal downregulation of the LMbeta3 chain. (diva-portal.org)
- Some retrospective studies have shown Peters anomaly to be the most common congenital corneal opacity presenting to a university cornea clinic. (aao.org)
- 2. A method as in claim 1, wherein said cornea is injured by a cause selected from the group comprising trauma, photorefractive keratectomy (PRK), laser in situ keratomileusis (LASIK), chemical burn, congenital corneal neuropathy, and acquired corneal neuropathy. (freepatentsonline.com)