Ophthalmic Optics第 8 / 100 题
Vergence describes what property of light?
a.Its color wavelength
b.Its polarization angle
c.Its intensity
d.The spreading or converging of light rays
解析
Vergence is the degree to which light rays diverge or converge, measured in diopters. Plus lenses add convergence (plus vergence); minus lenses add divergence (minus vergence).
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