title: Explained unexplained anisocoria.
mesh_terms: D000065:Accommodation, Ocular / Q000187:drug effects; D000293:Adolescent; D004155:Diphenhydramine / Q000009:adverse effects*; D004172:Diplopia / Q000139:chemically induced; D004342:Drug Hypersensitivity; D005260:Female; D006801:Humans; D006967:Hypersensitivity / Q000188:drug therapy; D011680:Pupil / Q000187:drug effects*; D012030:Refractive Errors / Q000139:chemically induced*; D014792:Visual Acuity / Q000187:drug effects; D014794:Visual Fields / Q000187:drug effects
chemical_list: D004155:Diphenhydramine