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Optic Neuritis

Optic Neuritis is inflammation of the optic nerve which connects the eye to the brain. Its cause is unknown but possibly develops due to autoimmune disorder that is triggered from a viral infection. Ask questions about symptoms, treatments and preventions.

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How do your eyes adjust for seeing objects at different distance from you?

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Asked by Wiki User

The muscles in the eyeball pull the shape of the lens (the black bit !) to change the focus of the eye. This takes place very quickly, so you hardly notice it.