Although eye drops can treat related eye diseases and relieve eye discomfort, they are not random drops. When many people have eye discomfort, they always think of eye drops, which can not only affect the condition, but also cause damage to the eyes. There are many eye drops that are not suitable for long-term use. Let’s take a look at the common problems of eye drops. 1. How to choose eye drops. Discomfort occurs in the eyes. Some eye symptoms are similar to some eye diseases. When choosing eye drops, you should understand it before you are better. You can go to the hospital to check it and buy it according to the doctor's recommendation. You need to carefully understand the instruction manual, and then buy it after you understand it clearly. However, if you feel unwell, it is better to stop using it immediately and see a doctor or consult a doctor in time. Second, the use time of eye drops Some eye drops are generally used after getting up in the morning or before going to bed, and some are used for multiple times. This time must be grasped. Generally, after instillation, you need to close your eyes and rest for a few minutes, usually about five minutes. If you have special needs, you can use other methods to help absorption. In addition, if you run out of eye drops, do not rush to do something, so choose to drip The time for eye drops is better when there is plenty of time. 3. Dosage of eye drops Many eye drops emphasize that adverse reactions will occur if they are used in large quantities. Also, the conjunctival sac can't contain so many eye drops, and it would be a waste to drop too much. Some eye drops need to be added or subtracted according to the severity of the disease, and these must be paid attention to. Generally, eye drops containing preservatives are not suitable for long-term use. In addition, antibiotic eye drops are not suitable for long-term use. Fourth, eye drops can not be used casually, such as mydriatic eye drops, generally mainly suitable for young people, the elderly are not suitable. Another example is atropine eye drops. Although it is used to treat acute iridocyclitis, it also has the effect of dilating pupils. Some people only see that this symptom can be treated, but ignore the effect of pupil dilation, leading to serious consequences, so we must be cautious. 5. Be cautious when using eye drops mixed with medicine. Some eye drops can be mixed and used, but they should also be used at intervals. Some of them must not be mixed, otherwise they will have toxic effects. If you want to mix them, you must read the instructions or consult a doctor.