Eye is the main part in our body. Eye is an organ of sense sight that detected light and it converted into electrochemical neurons. We are discus here about the diseases of the eyes. There are different types of eye disease i.e. eye infection, contusion of the eye, conjunctivitis, epidemic eye sore, Ophthalmic neonatorum, follicular conjunctivitis, trachoma, opacity of the cornea, glaucoma, Cataract and  Iritis etc. Disorders of eyelid, choroids and retina, cornea and orbit are the main causes of eye disease.