Retinal illumination using a wide-angle model of the eye:comment

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Abstract
When the human eye is modeled, consideration must be given to three anatomical factors that are sometimes overlooked. First, the apparent pupillary area is likely to exceed the real one, particularly at large paraxial displacements. Second, the earlier assumption [J. Opt. Soc. Am. A 5, 146 (1988)] that lenticular pigment is distributed uniformly throughout the lens is no longer valid except along the visual axis. Third, as measurable reflection occurs within the eye, the polar retinal illumination is likely to receive a significant indirect quantity of light in addition to the direct light.