Now everyone's life is filled with mobile phones and computers, after staring for a long time, dry and sour eyes are also common things, this time eye drops have basically become a must-have for people, after the drip, the eyes are cool, and the tiredness is completely absent. So can eye drops really be used casually? Let's take a look!
Ingredients of eye drops
There are many types of eye drops on the market, and the eye diseases and discomforts targeted by different ingredients are not the same, and it is actually risky to use them casually without looking at the ingredients of eye drops. At present, the main ingredients of eye drops are as follows:
1. Eye drops to remove red blood: the main components are naphazoline hydrochloride, oxymetazoline hydrochloride, tetrahydrozolin hydrochloride and so on. These ingredients, also known as "adrenergic receptor agonists" because of their similar effects to the epinephrine used in medical emergencies, reduce eye congestion by constricting blood vessels. Therefore, such eye drops may cause symptoms such as increased blood pressure, aggravation of cardiovascular or endocrine diseases, and acute attacks of angle-closure glaucoma.
2. Eye drops to relieve eye fatigue: The main ingredient is neostigmine methyl sulfate, which mainly relieves eye fatigue by stimulating the ciliary muscle to strengthen the ability to regulate the eye. Although the state of eye fatigue can be improved for a short time after the use of these eye drops, in the long run, the ciliary muscles struggling to work under the action of the drug will make fatigue more difficult to alleviate. In addition, if people with pseudo-myopia overuse of such eye drops may also accelerate the development of myopia.
3. There is also a kind of eye drops on the market that will bring coolness to the eyes, the main components of this eye drop are pearl liquid, ice chips, peppermint, camphor, bear bile, houttuynia cordata, etc., but there is no relevant research to explain the mechanism of action of such ingredients, and it is not known that its adverse reactions and are not suitable for the population.
4. There are also some anti-inflammatory or bacterial eye drops, such as dexamethasone, prednisolone, flumiron, cortisone, tetracycline, chloramphenicol, neomycin, etc., some of them are hormone drugs, some are antibiotic drugs, so before use must be used correctly under the guidance of a doctor. In addition to the fact that the composition of eye drops will be risky to people, most eye drops contain preservatives, which are often relieved after use, and long-term use may also destroy the tear film and aggravate the risk of dry eyes. All in all, eye drops are medicines after all, so it is recommended that you do not use them casually when your eyes are dry or tired. But not all eye drops on the market can not be purchased or used by themselves, artificial tears is currently the only type of over-the-counter eye drops that can be purchased in pharmacies with confidence, its composition is closer to the real tears of people and does not contain preservatives.
It must be noted that if your eyes really have long-term discomfort, be sure to go to the hospital to check it out, use it under the guidance of a doctor after diagnosis, and do not go to the pharmacy to buy without authorization.
How to use artificial tears?
If there is occasional dryness in the eyes, artificial tears is actually a good choice, when you feel uncomfortable in the eyes, use a drop of artificial tears on it, here is also recommended that you use the frequency of less than 4 times a day, up to more than 6 times. It should be noted that artificial tears can only be used for a short time, if the symptoms are not alleviated or the number of times they need to be used increases, it is still recommended that you go to the hospital for treatment and check it out.
What should I do if my eyes are dry or tired?
So can not use eye drops, how should we alleviate the situation that the eyes are often dry and astringent, in fact, it is very simple, the following few tricks can help you relieve eye fatigue:
1. When eye strain occurs, close your eyes or blink.
2. When there is a dry condition. Appropriate drip with some artificial tears.
3. Pay attention to your sitting posture and reading distance in your daily life, and ensure adequate lighting.
4. Friends who need to wear glasses must check the degree regularly and wear glasses with suitable degrees.
5. If the discomfort of your eyes has not improved or worsened, seek medical attention in time.