单词 |
edge clearance |
释义 |
edge clearance
edge clearanceThe distance between the edge of a pane of glass or a panel and its surrounding frame, measured in the plane of the pane or panel.edge clearance
edge clearanceA small, peripheral gap between the edge of a rigid contact lens and the cornea. It is important as it allows tear exchange and eases lens removal. The absence of edge clearance in rigid contact lenses may lead to superficial corneal damage. |
随便看 |
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