A crystalline structure responsible for focusing light onto the retina. It changes shape slightly to allow us to change focus between objects that are near and those that are far in a younger person. In an older person, it may not be adjustable. In this case, reading glasses or bifocals may be used.
The EyeCyclopedia is a collection of eye care terminology created by
practicing optometrists and ophthalmologists. The information provided is not intended
to be a substitute for regular medical care or to diagnose or treat
any medical condition, and should be used only as a supplemental source of information.
Please consult your doctor if you have any questions or concerns about your eye health.