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The waves are refracted by the cornea, and again by the lens. Some of them are stopped by the iris, while other will pass through the pupil. They propagate through the vitreous humor and reach the retina, where they will be focused onto the photosensitive cells. Depending on their wavelength, they may excite cones (color sensitive) or rods (black and white). ...


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If the 2 objects are at different locations, then the green light is hitting different group of cones in your eye than the red light. You should thank to the lens in your eye which is sending the light rays to different areas on your retina, depending on the direction from which the light is coming. Without the lens, all light would hit all cones at the same ...


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What happens to photons when they hit our eye? Some of them pass through the iris and are focussed by the lens onto the retina where they are absorbed by rods or cones. where do they end up? Some of them end up absorbed by rods/cones, some by other tissues, some are reflected (c.f. red-eye in photography). why our eye don't get overheated? ...



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