Fig 1 shows pupil constriction and dilation. Pupil size is controlled by two muscles:
Question: What are the effects of the drugs atropine and adrenaline on the eye?
Fig 1 shows pupil constriction and dilation. Pupil size is controlled by two muscles:
Question: What are the effects of the drugs atropine and adrenaline on the eye?
Answer: Both cause pupil dilation and blurred vision, by parasympathetic block (atropine) and sympathetic stimulation (adrenaline) (Fig 2).
Fig 1 shows pupil constriction and dilation. Pupil size is controlled by two muscles:
Question: What are the effects of the drugs atropine and adrenaline on the eye?
Answer: Both cause pupil dilation and blurred vision, by parasympathetic block (atropine) and sympathetic stimulation (adrenaline) (Fig 2).