This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Which of the following protozoa can affect eye 
Select and explain. 
A. E. histolytica, B. Toxoplasmosis, C. G. lamblia, D. E. coli
B: Toxoplasmosis
Answer: B: Toxoplasmosis 
Explanation: Ans. b. Toxoplasmosis In 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 Manifestations In eye, infiltrates of monocytes, lymphocytes and plasma cells may produce uni- or multifocal lesions Granulomatous lesions and chorioretinitis can be observed in posterior chamber after acute necrotizing retinitis Other ocular complications include iridocyclitis, cataract, glaucoma