“…3 Both melanocytoma and melanoma may demonstrate tumor growth, hyphema, and secondary glaucoma. 4,5 However, they can be distinguished clinically. In particular, the presence of ectropion uvea in melanocytoma, iris nevus, and melanoma is 6%, 24%, and 44%, respectively; the presence of intrinsic vessels is 0%, 20%, and 43%, respectively; the presence of sectoral cataract is 0%, 3%, and 14%, respectively.…”