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Structure of Human Eye | Photoreceptor | Biology lecture
To understand how the eye sees, it helps to know the eye structures and functions: Cornea: Light enters through the cornea, the transparent outer covering of the eye. The eyeball is rounded, so the cornea acts as a lens. It bends or refracts light. Aqueous Humor: The fluid beneath the cornea has a composition similar to that of blood plasma ...
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