Letter: Blue eyedrops.
D000293:Adolescent; D002713:Chlorine / Q000009:adverse effects / Q000494:pharmacology; D004396:Coloring Agents / Q000494:pharmacology*; D004347:Drug Interactions; D005123:Eye / Q000187:drug effects*; D005260:Female; D006801:Humans; D009883:Ophthalmic Solutions / Q000494:pharmacology*
D004396:Coloring Agents; D009883:Ophthalmic Solutions; D002713:Chlorine