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DEPARTMENT OF COUNSELLING Disease of Cornea ARAVIND EYE CARE SYSTEM Aravind Eye Hospital & Postgraduate Institute of Ophthalmology What is Cornea? It is a transparent watch glass like membraneous tissue which forms the front 1/6 of the eye ball It lacks blood vessels (avascular) and thus is transparent ie., allows light rays to pass through unhindered for good vision So, it can be transplanted without fear of rejection Diseases of Cornea Corneal ulcers Pterygium Corneal opacity Injuries Conjunctivitis Dystrophies Corneal shape disorders – keratoconus, cornea planna Corneal Ulcers It is an infective or sterile breach in the corneal surface Cause: Injury Infection by microorganisms (eg. Bacteria, fungi, viruses) Exposure to dust and even contact lenses see to be common sources of infection Symptoms Pain Redness Defective vision Discomfort to the patients Treatment Early stage of the corneal ulcer can be easily cured by medications But at the severe stage of the corneal ulcer some corneal transplantation surgery need for the patient The treatment is for healing only not for vision improvement After healing the scar of the corneal ulcer it makes white opacity of the cornea Cont… So the cornea losses it transparency due the loss of vision PKP – Penetrating Kerato Plasty surgery is done for vision improvement under gradual visual progression Role of the counsellor Should explain the need for proper compliance with medications and appropriate review as advised by the doctor Importance of the correct follow up Explain do’s and don’t Do’s: Must wear the protective glass Must use the medicines properly Keep the medicines and medicine box in clean area Wash the hands before applying drops Clean the eye daily Must avoid dirty place Don’t: Rub the eyes Take head bath Drive two wheelers Conclusion: Creating awareness of corneal ulcer