A 56-year-old man with sickle hemoglobin C disease and proliferative sickle cell retinopathy presented for a routine eye examination. He was asymptomatic. What is seen on this examination of the anterior segment of the eye?
A. Bilateral acute depigmentation of the iris (BADI)
B. Cornea verticillata
C. Iris atrophy
D. Mutton-fat keratic precipitates
E. Sunflower cataract
答案解析：
在双眼前段观察到广泛的虹膜萎缩。虹膜萎缩被认为与血管闭塞伴梗死有关，检查时这一发现与同一只眼的增殖性镰状细胞视网膜病变密切相关。在6个月随访时，患者保持无症状。
正确答案：C
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