Lisch nodule seen in ?
Ans. is 'b' i.e., Neurofibromatosis Lisch nodules are the most common type of ocular involvement in NF-1. These nodules are melanocytic hamaomas, usually clear yellow to brown, that appear as well-defined, dome-shaped elevations projecting from the surface of the iris.
Sympathetic ophthalmitis
Neurofibromatosis
Chronic iridocyclitis
Trachoma