Mistakenly dilated eye drops topical cleaning with water, and then shrink the pupil eye drops to use such as pilocarpine eye drops. Dilated eye drops by mistake, if the eye has no symptoms, you should use shrinking eye drops, such as pilocarpine eye drops. Then go to the hospital for an examination and treat the symptoms according to the examination. If there are symptoms such as red and swollen eyes, eye pain, tearing, photophobia, vision loss, headache, etc., you should actively go to the hospital for examination and treatment. Patients with a history of glaucoma who mistakenly put in dilated eye drops should be actively treated for lowering intraocular pressure and shrinking the pupil. If there is no history of glaucoma, the use of dilated eye drops should be symptomatic with the shrinking eye drops to observe the eye situation, regular review. It is recommended to go to the hospital for examination if you have mistakenly used dilated eye drops.