Try this 4 - question quiz to see how much you know about Cataract: Development and Risk Factors.
1. The lens is a clear part of the eye that helps to focus light. It is made up of
Sorry, that is not correct.
C is the correct answer.
home | health topics A-Z | videos A-Z | training | about us | Customer Support | site map
National Institute on Aging | U.S. National Library of Medicine | National Institutes of Health | U.S. Department of Health & Human Services
Customer Support | Accessibility | Copyright | Privacy | Viewers and Players