Perspectives in refraction. The little point that isn't there.
D002386:Cataract / Q000175:diagnosis* / Q000503:physiopathology; D003315:Cornea / Q000502:physiology / Q000503:physiopathology; D006801:Humans; D007498:Iris / Q000502:physiology / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D012029:Refraction, Ocular; D014792:Visual Acuity