title: Evaluating the effects of wearing contact lenses: morning and afternoon testing.
abstract: Corneal steepening and myopic increases are characteristic of diurnal variations which affect habitual wearers of contact lenses. Testing before insertion of lenses and after wearing lenses for 8 hours provided a good indication of the magnitude of diurnal changes in 35 individuals.
mesh_terms: D000328:Adult; D003261:Contact Lenses / Q000009:adverse effects*; D003315:Cornea / Q000473:pathology; D005069:Evaluation Studies as Topic; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009216:Myopia / Q000209:etiology; D013997:Time Factors