Validity of the laser refraction technique for determining spherical error in different refractive groups.
D000293:Adolescent; D000328:Adult; D005260:Female; D006801:Humans; D007834:Lasers; D008297:Male; D008722:Methods; D012030:Refractive Errors / Q000175:diagnosis*; D012494:Sampling Studies; D014787:Vision Tests / Q000592:standards*