Nowadays, more and more pharmacies are opening, and there are many varieties of drugs with different prices. The same is true of over-the-counter eye drops, leaving many people at a loss as to how to shop for them. In the case of eye discomfort, and did not see an eye doctor, how to choose over-the-counter eye drops? First, the purchase of eye drops to be targeted It is best to have a more accurate grasp of their own eye disease, the selection of drugs to have a target to speak of. For example, is a viral infection, the choice of antibiotic eye drops is certainly ineffective, only the choice of antiviral eye drops to have an effect. Therefore, if you are not sure what eye disease you are, it is best to seek treatment from an ophthalmologist first, and then choose a drug after making a diagnosis. The actual antibiotic eye drops can’t be used indiscriminately. The purchase of oral antibiotics has been restricted (with a doctor’s prescription), but some antibiotic eye drops are not restricted and can be purchased at will, while long-term antibiotic eye drops can sometimes cause chronic conjunctivitis. In addition, long-term use of an antibiotic eye drop can lead to drug resistance, so that the drug loses its antibacterial effect. Therefore, antibiotic eye drops are generally used for no more than two weeks, or must be discontinued 3 days after inflammation is fully controlled. If antibiotic eye drops do not work for more than 3 days, change the medication or seek medical advice. Chronic inflammation of the eye does not require long-term use of antibiotic eye drops, and specific treatment plans should be developed with the help of a doctor. Third, the use of pupil-dilating eye drops to small pupil-dilating eye drops are often used to treat myopia, but, generally should be in the night before bedtime eye drops, if the eye drops during the day will not be able to see. Such as tropine amide eye drops, double star bright eye drops, etc., this type of eye drops have dilated the pupil effect, strictly prohibited for glaucoma, otherwise there is a risk of blindness, even if the normal eye, but also because of the dilated pupil and the fear of light, dizziness, see things far away is not clear and other drug myopia performance. Fourth, the use of pupil reduction eye drops should also be careful, such as Mao Guo Yunxin eye drops, its role is the opposite of dilating eye drops, the role is to reduce the pupil, the need to dilate the pupil of the eye disease is strictly prohibited, such as post-operative glaucoma, malignant glaucoma, iridocyclitis, etc.. Otherwise, it can cause serious consequences. Five, steroid hormone eye drops long-term abuse of steroid hormone eye drops can lead to drug glaucoma, drug cataract, herpes simplex keratitis. There have been many lessons in this area, to pay special attention. No matter what eye drops, if you want to use them for a long time, you should consult a doctor or pharmacist. Sixth, how to choose over-the-counter eye drops Generally speaking, if the eyes are red and painful, with yellowish-white discharge, consider bacterial infection, you can use antibiotic eye drops, such as chloramphenicol, rifampin, haloperidol eye drops, etc.; if the discharge is clear water-like, you should use antiviral eye drops, such as acyclovir, virazole eye drops, or choose ganciclovir gel; if the eyes are very red, but not painful or painful, not obvious. May be non-specific inflammation, can first use anti-inflammatory eye drops, such as Diflucan eye drops, Putnam Parklin eye drops; if it is eye fatigue due to excessive use of computers, you can choose R&J or Pearl Eye Solution and other eye drops; if it is senile dry eye, choose tearran and other artificial tears to make up for the lack of tears, so that the symptoms are relieved; if it is mild myopia, choose tropicamide eye drops, double star bright eye drops, point at night If the eye is senile cataract, choose cataract stop eye drops, Carlin You eye drops, etc. Seven, glaucoma do not use drugs without permission glaucoma with the wrong drugs may cause loss of vision; lowering intraocular pressure drugs thiamoxinan a class of drugs affect the conduction function of the heart, the bradycardia and other patients with conduction block may cause a heart attack. Therefore, before using the medication to do electrocardiogram examination, and according to medical advice to use drugs.