👉 A chorioma is a type of tumor that appears in the choroid, which is the thin layer covering the inner walls of the eye. It can be either benign or malignant and can occur in any part of the eye, including the retina, iris, lens, or cornea. Choriomas are typically small, round, and white, and they do not cause pain or discomfort. They may grow slowly over time and often disappear on their own when they reach a certain size. If