Post-cataract patients can use Tropicamide Eye Drops under doctor’s supervision, usually by opening the eyelid and putting the drops into the conjunctival sac, and closing the eyes for 1-5 minutes to promote the absorption of the medicine. After cataract surgery, patients can use Tropicamide Eye Drops, which is mainly used to dilate the pupil to control inflammation, prevent adhesion between the iris and the IOL, and promote the recovery of the disease. Tropicamide eye drops are usually used once a day, 1~2 drops at a time, patients can open the eyelid and put the drops into the conjunctival sac, close the eyes for 1~5 minutes, open the eyes after compression of the lacrimal sac. When using, patients should pay attention to avoid contamination of the liquid, and should pay attention to avoid direct contact with the front of the container when dropping the eye. In addition, pregnant women and patients with hypertension, diabetes mellitus, hyperthyroidism should follow the doctor’s advice to use with caution, patients may experience headache, eye pain, blurred vision and other adverse reactions after use. It is recommended that post-cataract surgery patients follow the doctor’s instructions for care, regular review, and timely consultation when discomfort occurs.