<prompt> Which of the following protozoa can affect eye?E. histolyticaToxoplasmosisG. lambiiaE. coli  <response>: Ans. b. Toxoplasmosis Ref: Harrison 19e p40e-6f, 1400, 1402, 1404, 18e p229, 1724, 1726In Toxoplasmosis, granulomatous lesions and chorioretinitis can be observed in posterior chamber after acute necrotizing retinitis. Other ocular complications include iridocyclitis, cataract, glaucoma.E. histolytica, G. lamblia and E. coli does not affect eye.Toxoplasmosis: Ocular ManifestationsIn eye, infiltrates of monocytes, lymphocytes and plasma cells may produce uni- or multifocal lesionsGranulomatous lesions and chorioretinitis can be observed in posterior chamber after acute necrotizing retinitisOther ocular complications include iridocyclitis, cataract, glaucoma 