Optical instruments are the tools that use the principle of reflection or refraction of light. Various kinds of optical devices such as: eyes, cameras, loop, Microscopes, Binoculars, Projectors.
In the eye can suffer eye defects include: myopia, hipermetropi, presbiopi, astigmatism. While the telescope is divided into three namely: telescopes, binoculars and periscopes earth. Projectors divided into two namely: diaskop and episkop.
In the eye can suffer eye defects include: myopia, hipermetropi, presbiopi, astigmatism. While the telescope is divided into three namely: telescopes, binoculars and periscopes earth. Projectors divided into two namely: diaskop and episkop.