Hung, 38, experienced persistent irritation and gradual shrinking of his left eye, diagnosed by doctors as a complication following a ruptured eyeball injury.
Ms. Sen, 33, experienced facial pain and burning, with blisters spreading to her eye, causing conjunctivitis and keratitis. Doctors diagnosed it as a complication of shingles.
Ms. Ha, 50, developed hard, opaque, fiber-like crystals resembling 'spikes' in her eye nearly two years ago; doctors diagnosed filamentary keratitis as a complication of dry eyes.
