title: Nelson's eye.
mesh_terms: D002986:Clinical Trials as Topic; D004155:Diphenhydramine / Q000009:adverse effects / Q000627:therapeutic use*; D004341:Drug Evaluation; D006801:Humans; D008297:Male; D009041:Motion Sickness / Q000517:prevention & control*; D014785:Vision, Ocular / Q000187:drug effects*
chemical_list: D004155:Diphenhydramine