Ophthalmology has advanced a lot with a lot of subspecialties like Pediatric Ophthalmology Lasik Phaco Glaucoma Neuroophalmoloy Oculoplasty Vitro retinal    At the same time, medical ophthalmology has got a very important role. It is not only the diabetes hypertension and thyroid diseases which are refered to an ophthalmologist for ocular manifestations but there are numerous medical conditions which have ophthalmic manifestations.

Therefore an ophthalmologist should know all these medical conditions the list of these medical conditions which have ocular manifestations is huge but some of them are as follows  Rheumatoid arthritis Progress syndrome Leukemia Anemia Gout Intraocular space occupying lesions    Tuberculosis HIV Parasitic infestations Trypanosomiasis  Irritable bowel diseases  Infectious mononucleosis    Leprosy Syphilis Sarcoidosis  Brucellosis Malaria  Measles Mumps …