Tear concentrations of sodium and potassium during adaptation to contact lenses. 1. Sodium observations.
D000221:Adaptation, Ocular; D000328:Adult; D003261:Contact Lenses; D005260:Female; D006801:Humans; D008297:Male; D011188:Potassium / Q000032:analysis; D012964:Sodium / Q000032:analysis*; D013666:Tears / Q000032:analysis*
D012964:Sodium; D011188:Potassium