The local effect of morphine, nalorphine, and codeine on the diameter of the pupil of the eye.
D003061:Codeine / Q000494:pharmacology*; D003228:Conjunctiva / Q000502:physiology; D006801:Humans; D007273:Injections, Intramuscular; D007765:Lacrimal Apparatus / Q000502:physiology; D008297:Male; D009020:Morphine / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000494:pharmacology*; D009269:Nalorphine / Q000494:pharmacology*; D011680:Pupil / Q000187:drug effects*; D013501:Surface-Active Agents / Q000494:pharmacology; D013997:Time Factors
D013501:Surface-Active Agents; D009020:Morphine; D009269:Nalorphine; D003061:Codeine