Etiology Acute retinal necrosis (ARN) is a rare clinical syndrome caused by any of the following viruses: Clinical features Symptoms…

Cytomegalovirus (CMV) Retinitis usually occurs in immunocompromised patients e.g., those suffering from AIDS, on cytotoxic chemotherapy, or long term immuno-suppression…

Physiology of vision is a complex phenomenon which is still poorly understood. The main mechanisms involved in physiology of visions…

This chapter gives only a brief account of the anatomy of the eyeball and its related structures. The detailed anatomy…