In recent times, there have been recent advances in the field of medicine and in this context, ophthalmology has not lacked back. We are in the era of subspecialties, in the field of ophthalmology like Pediatric Ophthalmology Phaco Lasik Corneal Oculopasty Neuro-ophthalmology Glaucoma Vitro retinal Every ophthalmologist has to have a comprehensive knowledge of ocular therapeutics say Chloroquine and hydroxychloroquine causes bull's eye maculopathy This drug with a madrone causes vertex keratopathy Ethambutol a drug produces changes in colour vision visual fields and optic neuritis optic neuritis is dise dependent Systemic steroids cause cataract Topical steroids cause glaucoma b Prostaglandin used topically as antiglaucoma drug causes redness hyperemia blepharitis blepharoconjunctivitis loss of periorbital fat trichomegaly  Timiptol should not be given to patients having b asthma or…