What is Which of the following is the commonest infectiuos cause for posterior uveitis? and explain in detail?
Toxoplasmosis is the most common cause of posterior uveitis and accounts for around approximately 90 % of focal necrotizing retinitis. causitive agent - Toxoplasmosis gondi. H/O - contact with cat faeces C/F - Vitritis with underlying white-yellow choroiditis patch - 'Headlight in Fog Appearance" other causes of Posterior Uveitis:- Infections toxoplasmois TB(2nd M/C/CAUSE) Toxocariasis CMV,HIV Immune Disorders Sarcodiais PAN Sclroderma