Aetna Intelihealth
Aetna: Inteli Health: How the Five Senses Change With Age
This article discusses the link between anatomical changes related to aging and sensory loss. Delves into the problems associated with each of the five senses.
National Institutes of Health
National Eye Institute: Health Information
This site provides a wealth of information regarding the human eye. Special focus is given to the diseases and disorders, ranging from age-related mascular degeneration to usher syndrome.
University of Washington
Neuroscience for Kids: The Eye
Easy to understand description of the parts of the eye and their functions. Lots of labeled illustrations. At the bottom of the page additional content includes games, quizzes, lesson plans and activities about vision.