vision defect

同根派生

This technology may also help to develop custom-made contact lenses that would correct for vision defects left uncorrected by current lenses.
并且他帮助组织罗切斯特区域教育家学会，传授更多关于光学的知识以便带回到各个区域。
The film, despite many advantages, not excluding narrow vision defects in the design moves some stiffness, the story also has a small break.
本片尽管优点多多，也不能一叶障目不计缺陷，动作设计还有些僵硬，剧情上也少又突破。
A defect of vision prevented him from focusing accurately.
视力上的缺陷使他不能准确对焦。
They detected no defect in the product.
他们没发现产品有任何问题。
This was his fatal defect; he was of feeble will.
这是他致命的弱点，他意志薄弱。