Activity: Magnification, the eye and aberrations

IB Physics: Activity: Magnification, the eye and aberrations

What"s inside an eyeball? Here are the main partsLight is focused on the retina by the cornea and lens. The focal length of the cornea is fixed, unless you have laser surgery, but the lens has a variable focal length.The muscles controlling the lens squash it to make it fatter.As people get old their lens gets less flexible and will not squash so easily. That"s why people start wearing reading glasses when they reach...

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