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Cornea is the transparent, outermost layer of the eye and is used as a refractive medium for image formation. Tears on the other hand nourishes cornea by keeping eyes clean and moist. With age corneal clouding and corneal scar can be caused by inflammatory diseases, trauma or infection and may result in blindness eventually.<br><br>In general we believe that eye diseases like cataract or glaucoma are more of concern but if we check the facts with WHO, corneal blindness constitutes as much as 5% of total blindness. Ocular trauma and ulcerations are also cause of 1.5 to 2.0 million new cases
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What iscornealblindness?|mumbaieyecare Cornea is the transparent, outermost layer of the eye and is used as a refractivemediumfor imageformation. Tearsontheotherhandnourishes corneaby keepingeyesclean andmoist.Withagecornealclouding and cornealscar can be caused byinflammatorydiseases, trauma or infection and may resultinblindnesseventually. In general we believe that eye diseases like cataract or glaucoma are more of concern but if we check the facts with WHO, corneal blindness constitutes as much as 5% of total blindness. Ocular trauma and ulcerations are also cause of1.5to2.0 millionnewcaseseveryyear. You maysuffer cornealblindnessatanyageandthe commoncauses are eye trauma,vitamin A deficiency,asan aftereffectofbacterial, viral,fungal infectionsandcongenitaldiseasesorsometimeshomeremediescauses moreeyedamagethen benefit. Patients oftenexperiencesymptomsliketearing,photosensitivity,eyepain, blurred vision,glare,rednessand afeeling thatsomething isin the eye. Regular eyeexamination can preventus fromvisionloss. In routinevisit,your eyedoctortakescompletemedicalhistoryanddiagnostic aidslikeslitlamp, keratometryand cornealtopography helps indiagnosingcornealdefects. Corneal blindness can be prevented by reducing or eliminating exposure to harsh conditions. Wearinghats and eyeglassesto reduceUV raysexposure. Use oflubricating eyedropsincase ofdryeyesand regular visitto eyedoctor incaseofsymptomspersist.
With recent advances corneal blindness can be treated with corneal transplantation/grafting. Cornealtransplantisasurgicalprocedurewherethe damaged cornea isremovedand replaced byahealthycornea froma deceaseddonor. There islittleawareness amongpopulationabout cornea transplant and corneadonation.Initiativesto educatepeople regardingeyedonation, treatment modalities, rehabilitationcentersand eyebanksplaysanimportant role to balancetheneed ofcornea transplantand eyedonation.
