Posterior uveitis an inflammation of the uveal tract behind the lens 后段葡萄膜炎posterior uveitis
2.
The tumor is composed of magnocellular uveal nevus cells , and is classically asymptomatic unless the tumor becomes very large or some complications nave taken place 除非已变得很大或有某些并发症之发生，该肿瘤通常不会造成任何症状，因而通常是在例行检查中被发现。
