color vision defect 色觉异常
congenital color vision defect 先天性色觉异常
defect of vision 视力缺陷
vision field defect 视野缺损
defect field vision 视野缺损
It is intended for screening purposes rather than for the in-depth study of a color vision defect.
它只是用来说明显示的目的，而不是用来深入研究彩色视觉的缺陷。
A very small number of cases, this may be accompanied by a group of flash-bucks and some vision defect there.
极少数的情形下，这种闪光可伴随著一群飞蚊及部分视野缺损出现。
All symptoms such as defect of vision field, hemiopia etc were improved.
术后视野缺损、偏盲等症状均有改善。
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