Even though the exact number of people that wear glasses could be tough to pinpoint on a world scale, at the least 2.two billion have both a length or near vision impairment.???? ?????? ???????? ????? ????? ????????? ????????? ???????? ????? ????, ???? ????? ?? ??????? ??????, ?????? ??????? ??????, ???????? ??????? ?? ?????? ???????? ?? ???.optic?