This is a wonderful model of the eye. It is made with a large size plastic ball. A tube on one end has a convex lens. On the other end is a sliding screen -- like the retina. By adjusting the focus you can see a clear image of any object in front of the lens.
http://www.arvindguptatoys.com/toys/eye.html This work was supported by IUCAA and Tata Trust. This film was made by Ashok Rupner TATA Trust: Education is one of the key focus areas for Tata Trusts, aiming towards enabling access of quality education to
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