A member asked:

How does the eyeball change its shape?

2 doctors weighed in across 2 answers

Minimally: The eye enlarges as you develp and grow but there is little change in adult life. The lens up to the age of 40 can change signficantly but this stops wtih presbyopia. Otherwise the eye only changes shape with traum or surgery.

Answered 12/10/2012

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Eyeball shape change: After rapid growth in the first few years of life, the eye changes slowly. It reaches maturity in the teenage years. If the eye is too long for the curvature of the cornea, it is nearsighted. If it is curved irregularly, it has astigmatism. A person cannot voluntarily make the eye change shape, but the lens in the eye changes shape to focus, and this is controlled by muscles within the eye.

Answered 12/10/2012

5.4k views

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