<prompt> Which of the following is the commonest infectiuos cause for posterior uveitis?ToxocaraToxoplasma gondiiTaenia soliumPlasmodium falciparum  <response>: Toxoplasmosis is the most common cause of posterior uveitis and accounts for around approximately 90 of focal necrotizing retinitis. causitive agent - Toxoplasmosis gondi. HO - contact with cat faeces CF - Vitritis with underlying white-yellow choroiditis patch - Headlight in Fog Appearance other causes of Posterior Uveitis:- Infections toxoplasmois TB2nd MCCAUSE Toxocariasis CMV,HIV Immune Disorders Sarcodiais PAN Sclroderma 