Say, can you see?
Anshel
J R
JR
Corporate Vision Consulting of Encinitas, Calif., USA.
D001248:Asthenopia / Q000209:etiology / Q000517:prevention & control*; D001251:Astigmatism; D016288:Computer Terminals; D004867:Equipment Design; D005139:Eyeglasses / Q000639:trends*; D006801:Humans; D006956:Hyperopia; D009216:Myopia; D009784:Occupational Diseases / Q000209:etiology / Q000517:prevention & control*; D012984:Software; D014787:Vision Tests / Q000379:methods*