http://www.nei.nih.gov/education/visionschool/
National Eye Institute, National Institutes of Health
Teach the basics of VISION with a 16-page teaching guide from the National Eye Institute. This unique science program is designed to get scientists and eye care professionals into the classroom -- working with students and teachers in their own communities. VISION's lesson plans and handouts will help you lead students in lively, interactive sessions on how the eye works, eye problems, and eye safety. The Program is intended for use in the classroom by teachers and\or guest speakers.