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患者男性,36岁,因“双眼视物模糊伴夜间视力下降1年余”就诊。患者既往体健,无家族史。双眼视力:0.6,均矫无助。双眼光定位准确,红绿色弱。双眼角膜缘浅层未见黄白色晶体沉着,余前节亦未见异常。双眼底改变见图1。眼底自发荧光图像见图2。OCT图像见图3。荧光素眼底血管造影(FFA)图像见图4。暗适应ERG显示双眼b波峰时延迟,波幅中度下降。诊断:双眼结晶样视网膜色素变性。予甲钴胺营养视神
Male patient, 36 years old, due to “binocular vision blur with night vision more than 1 year ” treatment. Past patient’s health, no family history. Eyesight: 0.6, both helpless. Accurate positioning of both eyes, red and green weak. There was no yellow-white crystal in the superficial layers of corneal limbus, no abnormalities in the other anterior segment. Double-eyes change shown in Figure 1. Fundus autofluorescence images shown in Figure 2. The OCT image is shown in Figure 3. Fluorescein fundus angiography (FFA) image shown in Figure 4. Dark adaptation of ERG showed b-wave binocular delay, the amplitude decreased moderately. Diagnosis: Binocular crystalline retinitis pigmentosa. Mecobalamin nutrition optic nerve