Having Trouble Seeing Up Close?

A young, healthy eye has an elastic lens that is able to flex as needed to focus on near objects. In children and young adults, light from a nearby object enters the eye, the cornea refracts the light and the lens and its supporting structures change shape to adapt for the decreased focal length of the object. To visualize this, imagine a camera focusing its lens on a close-by object. Continue reading “Having Trouble Seeing Up Close?”