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What is Dalen Fuchs nodules are seen in and explain in detail?
Dalen-Fuchs nodules are seen in Sympathetic ophthalmitis and also in Vogt- koyanagi- harada( VKH) syndrome. These are formed due to proliferation of pigment epithelium( of the iris , ciliary body and choroid ) associated with invasion by the lymphocytes and epithelioid cells. Located between Bruch membrane of choroid and the retinal pigment epithelium. Ref: kanski's clinical ophthalmology,8th edition, page no. 418