If you wear large-size eyeglasses often, your vision would be worse; the main factors are PD, materials of the frame PD The large-size glasses is much broader than usual myopia glasses, which means the optical center between the glasses would therefore...
from Lifestyle - United States - Latest News http://ift.tt/1iWYC6W
via IFTTT
from Lifestyle - United States - Latest News http://ift.tt/1iWYC6W
via IFTTT
No comments:
Post a Comment