Toxoplasma Retinochoroiditis
Toxoplasma Retinochoroiditis - Most common cause for infectious posterior uveitis. - Mainly caused by 3 strains of toxoplasma gondi. In which type II is severe and high chances of recurrences - can be congenital or acquired. - Clinical features : 1. Congenital- well defined punched out hyperpigmented chorioretinal atrophy most commonly involving the macula and posterior pole. There can be underlying scleral show Why macula is most commonly involved? As in early deveopment of eye posterior pole is first developed Toxoplasma cysts gets encystedin smaller arterioles which are present near the macula. While resolution there can be associated vitreous adhesion and later ERM can develop. 2. Acquired - Typical: Yellowish white necrotizing retinitis adjacent to the old scar with associated vitritis. If vitritis is more then retinitis lesion appears as headlight in fog appearence which is ch...