Unverified85% confidenceDecision RuleTime unknown
光学级镜片应无波纹、无气泡，将镜片对准直线物体（如窗框）左右移动观察，若直线出现扭曲弯折说明镜片有屈光度偏差，长时间佩戴会头晕
1
Sources
85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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