brief report: a study on the shape of spectacles and pinhole in the iranian pre-history and post-history period

human has always been trying to become familiar with different parts of the eye. it seems that in the beginning of his efforts he has become familiar with the functions of the pupil of the eye, using these data, he was able to make the dark room and use the hole to relieve the refractive errors. it can be said that the human in the pre-history and post-history periods had been able to solve his visual problems by using the existing facilities including pinholes.