The Optical Graphics Toolkit contain images, animations and sample activities to make constructing learning activities on the eye and camera as simple as possible.
Concepts such as vision, image formation, myopia, longsightedness, presbyopia, eye defects, accommodation, focal distance can be easily illustrated with this package for subjects such as Biology, General science or Physics.
These graphic elements in it are meant to be used in word processor of your choice. However it must be noted