<prompt> Which of the following protozoan affects the eye?E. histolyticaE. coliGiardia lambiaToxoplasma  <response>: Ans. d ToxoplasmaRef: Yanoff 3e, Chapter 7.12 Ocular; Toxoplasmosis; Harrison 18e, p. 1724Toxoplasmosis is the most common cause of posterior uveitis and accounts for approximately 90 of focal necrotizing retinitis. 