This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Uveal Tract, Subject name: Ophthalmology
Lisch nodules in the iris are seen in- 
Select and explain. 
A. VHK Syndrome, B. Neurofibromatosis 1, C. Tuberous sclerosis, D. Retinoblastoma
B: Neurofibromatosis 1
Answer: B: Neurofibromatosis 1 
Explanation: Ans. is 'b' i.e., Neurofibromatosis 1 * Lisch nodules are the most common type of ocular involvement in NF-1. These nodules are melanocytic hamartomas, usually clear yellow to brown, that appear as well-defined, dome-shaped elevations projecting from the surface of the iris.