This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Dalen fuchs nodule is a pathognomic feature of which of the following condition ? 
Select and explain. 
A. Sympathetic opthalmitis, B. Sarcoidosis, C. Tuberculosis, D. Retinitis pigmentosa
A: Sympathetic opthalmitis
Answer: A: Sympathetic opthalmitis 
Explanation: Dalen fuchs nodule refers tocollections of epithelial cells lying between Bruch membrane and the retinal pigment epithelium in sympathetic ophthalmitis.