<prompt> Lisch nodules in the iris are seen in-VHK SyndromeNeurofibromatosis 1Tuberous sclerosisRetinoblastoma  <response>: 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. 