The basic function of the eye is to distinguish light from dark. Human eye has been greatly evolved so that we can sense lights and discriminate colors in a broad wavelength range (known as the visible range) with a great sensitivity in low light levels, and an ability to detect motion and resolve objects for locomotion and navigation. The most fundamental of developing and evolving light sensing (also known as sight sensing) is the information richness of the optical properties of an
object
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发表于 2018-10-3 23:57:43
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