Conjunctivitis Treatment of patients. Patient should used his towel, handkerchief separately. Glaucoma Regular check up of eyes usually after 40. Corneal Ulcer Protection of eyes, cleaning of eyes, isolation of patient, vitamin A supplement. Iritis Treatment of diseases. Cataract Avoid trauma. Trachoma hygienic environment, control of house flies, care of fomites, Early treatment of infection. Retinopathy Control of diabetes & hypertension. Night Blindness Vitamin a supplement. Corneal Opacity Early treatment of corneal ulcer.