葡萄膜黑色素瘤是成人最常见的眼内原发性恶性肿瘤。发病部位以脉络膜多见,占78%～85 % ,其次为睫状体,占9%～12 % ,虹膜占6 %～9 5 %。文献报道发病年龄最小为7个半月,最大70岁,平均4 0～5 0岁,发生于虹膜者较脉络膜或睫状体的年龄早10～2 0岁。国内其发病率仅次于发生在儿童 Uveal melanoma is the most common intraocular malignant tumor in adults. Occurrence of choroidal lesions more common, accounting for 78% to 85%, followed by the ciliary body, accounting for 9% to 12%, iris accounted for 6% to 95%. The minimum age of onset reported in the literature was 7 and a half months, the maximum age of 70 years, an average of 40 to 50 years old, occurred in the iris than the choroid or ciliary body as early as 10 to 20 years of age. Its incidence in China is second only to children