Topical drops are the most common treatment for ophthalmology, which not only have exact effect, but also have little systemic side effects. But many people do not know how to drop eye medication, such as some people put the bottle into the inner corner of the eye, and then squeeze the bottle; there are people dropping medication when the bottle touches the black eye, the above practices are easy to contaminate the medication, but also cause eye damage, this article on how to drop medication to do a brief introduction. 1, wash your hands; 2, check the eye medicine: bottle label within the expiration date; shelf life: one month after opening. No cloudiness, deterioration, precipitation or flocculation of the solution; 3, unscrew the eye drops lid, correctly placed lid to avoid pollution; 4, open the lid and squeeze out a drop of waste first; 5, eye upward gaze, the left hand with the middle finger and ring finger gently pull down the lower eyelid into a bag; right hand holding eye drops or eye ointment. 6.The mouth of the medicine bottle is 1.5~2 cm away from the eye, gently squeeze the bottle to put drops into the bottom of the black eye, usually 1~2 drops can be used, gently close your eyes, take care that the bottle does not touch any part of the eye, and do not put drops directly on the black eye. 7, there are more than two kinds of eye drops, can not be dropped at the same time, at least 5 ~ 10 minutes apart, the purpose is to allow the full absorption of the previous drops, drugs are generally not sequential. 8, atropine, pilocarpine and other types of eye drops, drops after the application of cotton balls or cotton swabs to compress the tear sac area for 5 minutes, to avoid excessive absorption through the nasal cavity and the emergence of systemic side effects. 9.If there is a drug smell in the throat after the drops, it is normal, indicating that your nasolacrimal duct is open.