Ophthalmic Optics第 29 / 100 题
What does the term 'minimum blank size' refer to?
a.The smallest frame available
b.The smallest bevel angle
c.The smallest lens blank that will cut out to fill the frame
d.The smallest segment
解析
Minimum blank size (MBS) is the smallest diameter uncut lens needed to fully cut the shape into a given frame after accounting for decentration, ensuring the lens covers the entire eyewire.
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