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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 that it takes some practice to master working with graphics in these software packages. The only solution to this is to practice. It is with this in mind that tutorials were designed so please take the time to do them. the package.