The full name of tropicamide is tropicamide eye drops, can be used continuously for how long can not be accurately judged, it is related to the patient’s condition, clinically, the use of tropicamide is usually effective in a few hours, eye function recovery can be discontinued, the usual duration of the medication in about 3 days, do not recommend that the patient continuous long-term use of the patient, the patient to follow the doctor’s instructions for the use of the drug can be. It is a kind of atropine analog, can antagonize the effect of acetylcholine, inhibit the excitability of the iris sphincter and ciliary muscle of the eye, so as to play the role of pupil dilation and ciliary muscle regulation paralysis. There may be local irritation after administration, but atropine-like toxic reactions such as dry mouth, facial flushing, and increased heart rate may also occur. In the event of atropine-like toxicity, the drug must be immediately discontinued and cholinomimetics must be given as appropriate for detoxification. Closed angle glaucoma is prohibited; infants and young children suffering from brain injury, spastic paralysis and congenital stupidity syndrome with a strong reaction after the use of the drug is prohibited. Use with caution in infants and young children. If you need to use the drug patients, please under the guidance of the doctor strictly follow the instructions of the doctor to take medication, do not self-medication.