Ocular  S ide effects of Prostaglandin Analogues: This is a common antiglaucoma medication at present. Its ocular side effects are as follows:  Conjunctival congestion Conjunctival hyperaemia Allergic conjunctivitis Blepharitis Blepharoconjunctivitis Dry eye Trichomegaly loss of periorbital heterochromia Cystoid macular oedema.