视觉
1. 视觉：视阈测量measurement of visual area | 视觉visual sensation | 评定等第rating
2. 视觉感：visual selection ==> 目测选种 | visual sensation ==> 视觉感 | visual sense ==> 视觉=>視覚
noun
1. visual sensation
1. the perceptual experience of seeing
e.g. the runners emerged from the trees into his clear vision
he had a visual sensation of intense light
Synonym: vision