2. Check the validity of eye drops. Generally, eye drops are effective within one month after opening. Please read the instructions carefully to see if the liquid medicine is turbid, deteriorated, precipitated or flocculent. If so, it depends on whether the instructions are normal.
3. After opening the bottle cap of eye drops, don't put the bottle cap mouth down, which is easy to contact with bacteria. You should put the bottle cap up to prevent bacteria from infecting the eye drops.
4. When dropping eye drops, the first drop should be squeezed out. Do not use it. Lie on your back or sit slightly with your eyes up.
5. Gently pull down the eyelid with clean hands to expose the conjunctival sac between eyelid and eyeball. Dropping here is the most effective. Opening your mouth when dropping eye drops can temporarily prevent blinking and prevent eye drops from dripping into effective parts.
6, eye drops should be kept at a position of 2 cm, so that the drops are accurate and avoid hurting the eyes too close. Some eyelashes can also contaminate potions. Don't drip on the black eyeball, it will make people close their eyes quickly and squeeze out the liquid medicine, which will affect the curative effect.