Atropine eye drops for ocular puncture primarily act to dilate the pupil, Atropine is an acetylcholine receptor antagonist that antagonizes the action of acetylcholine. For the eye tissue, by blocking the acetylcholine receptor, so that the pupillary sphincter and ciliary muscle relaxation, the formation of the state of dilated pupils. In the clinic atropine eye drops are mainly used for dilation of the pupil before fundus examination, or before optometry. When using this drug, you need to pay attention to the fact that it is forbidden to use it for patients with glaucoma as well as prostate hypertrophy, because it may increase intraocular pressure, and may also aggravate the symptoms of the prostate. In conclusion, atropine eye drops for eyes mainly serve to dilate the pupil and paralyze the ciliary muscle.