Errors Of Refraction
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Uses animation to represent the effect of light rays passing through prisms and convex and concave spheres and cylinders, shows the formation of an image on the retina in a normal eye and the accommodation for near objects. Demonstrates the effect of presbyopia, hyperopia, myopia and astigmatism and their correction with lenses.
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Original permalink · Record added 2023-02-27 02:24:53