All are true about Bullous keratopathy except ?

Ans. is 'a' i.e., Seen in Macular dystrophy Fuch's epithelial - endothelial dystrophy Fuch's dystrophy-slowly progressive bilateral condition affecting females more than males. Primary open angle glaucoma is associated with this condition. Stages and clinical features i) Stage of cornea guttata Hassal - Henle type of excrescences in the central pa of cornea. A gradual increase of central guttae with peripheral spread and confluence gives rise to the so called 'beaten - metal' appearance. This stage is asyptomatic. ii) Oedematous stage or Stage of endothelial decompensation Early stromal edema and epithelial dystrophy Patients complain of blurring of vision. iii) Stage of Bullous keratopathy Follows long standing stromal edema Marked epithelial edema with formation of bullae, which when rupture cause pain, discomfo and irritation with associated decreased visual acuity. iv) Stage of scarring Cornea becomes opaque and vascularized. May be complicated by secondary infection or glaucoma. Treatment Edematous stage : 5% Sodium chloride (Hypeonic saline) Bullous keratopathy: Bandage soft contact lenses. Penetrating keaoplasty : treatment of choice.