Short-term changes in eyestrain of VDU users as a function of age.
D000065:Accommodation, Ocular; D000328:Adult; D000367:Age Factors; D001248:Asthenopia / Q000453:epidemiology / Q000209:etiology* / Q000503:physiopathology; D003290:Convergence, Ocular; D003626:Data Display; D005260:Female; D006801:Humans; D008297:Male