Please add the profiles of those who are or had visual impairment or blindness== Vision function is classified in 4 broad categories , according to the International Classification of Diseases -10 (Update and Revision 2006):* normal vision* moderate vision impairment* severe vision impairment* blindness - Total blindness is the complete lack of form and light perception and is clinically record...
Opticians - Corrective Vision=The first known artistic representation of eyeglasses was painted by Tommaso da Modena in 1352. He did a sequence of frescoes of brothers efficiently reading or replicating manuscripts; one holds a magnifying glass while the other has glasses suspended on his nose. Once Tommaso had established the example, other painters positioned spectacles on the noses of many o...