Ophthalmic Optics第 9 / 100 题
The base curve of a lens refers to which surface?
a.The bevel edge
b.The reference curve from which the lens is made, usually the front
c.The segment line
d.The temple curve
解析
Base curve is the fixed reference curve used as the starting point for making a lens, conventionally the front surface. The back surface is then ground to achieve the required prescription power.
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