deuteranopia

To analyze the effect of wearing a red tinted contact lens ( the X Chrom lens) for chromatic discrimination in red green color blindness. Lack of the chlorolabe pigment in the retinal cone cells results in inability to discriminate green colors, or deuteranopia.

目的：探讨红绿色盲患者戴色盲角膜接触镜后辨色力的改变状况和色盲角膜接触镜的实用性。在视网膜锥形细胞中缺乏感绿色素，便导致了对绿色辩别无力或绿色盲。

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Conclusion ( 1) it is feasible to use chromatic VEP for examining congenital color vision deficient, especially for red green blindness and deuteranopia.

结论（1）颜色视觉诱发电位客观地检查先天性色觉异常是可行的，对红绿色盲和绿色盲尤为敏感。

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