Uveitis Quiz 6/23/23

What are the modes of transmission of ocular toxoplasmosis? (Click all that apply.)

• ingestion of undercooked infected meat containing Toxoplasma cysts

• ingestion of the oocyst from fecally contaminated hands or food

• organ transplantation or blood transfusion

• transplacental transmission

• accidental inoculation of tachyzoites

Common findings in ocular toxoplasmosis: (Click all that apply.)

• • focal retinitis with overlying vitreous inflammation (“headlight in the fog”)

• nearby or adjacent pigmented retinochoroidal scar

• adjacent retinal vasculitis

• keratic precipitates and AC cells

Factors that increase the risk of recurrence: (Click all that apply.)

• within the first year of initial episode

• older age group

• younger age group

• weakened immune system

Indications for treatment of ocular toxoplasmosis: (Click all that apply.)

• lesion in Zone 1 (near macula and optic nerve)

• monocular patient

• immuno-compromised patient

• pregnant patient

Treatment options for ocular toxoplasmosis: (Click all that apply.)

• pyrimethamine, sulfadiazine, corticosteroids

• TMP-SMX

• clindamycin

• azithromycin

Most common cause of visual loss/impairment in ocular toxoplasmosis:

• active CNV

• chorioretinal scar in the macula

• retinal detachment

• cataract