<prompt> The commonest cause of visual loss in AIDS is which one of the followingToxoplasmosisHerpetic retinitisCMV retinitisHIV retinitis  <response>: Ans. c CMV retinitisRef Kanski, p. 442; John Hopkins HIV guide p. 60CMV retinitis is the most commonQ opportunistic ocular infection amongst patients with AIDS and is the most common cause of Visual morbidityQ 