Dry and watery eyes with eye drops? Experts teach you how to use it correctly

This article is from: People’s Daily Online – Popular Science China

With the advancement of science and technology, electronic products have been fully integrated into people’s lives. While electronic products make people’s lives more convenient, it also brings a problem that people cannot ignore – eye fatigue. Compared with the past, the human eye is more prone to photophobia, dryness, fatigue and pain. People often choose to use eye-fatigue-type eye drops to relieve discomfort, but very little liquid is effectively instilled into the eye during the operation, and even instillation into the eye is very difficult. So how to use this type of eye drops correctly?

Common ingredients of eye-fatigue eye drops

There are many kinds of eye drops, which can be used in the eyes When symptoms of discomfort occur in the department, the patient should go to the hospital for relevant examinations in time to clarify the cause, and follow the doctor’s advice to use eye drops that are suitable for them. Eye fatigue patients can use eye fatigue type eye drops after it is clear that there is no organic disease. This type of eye drops contains different components, namely sodium hyaluronate and vitamin E, which can lubricate the eyeball, basic fibroblasts. Growth factors, carbomers and povidone can relieve dry eye symptoms. Chinese herbal medicines such as digitalisin, esculin, chondroitin sulfate and taurine can also relieve eye fatigue and dry eyes.

Steps for correct use of eye-strain type eye drops

Before using eye-strain type eye drops, check if they are within the expiry date and keep hands clean . Elevate the mandible and take the head-up position, pull the lower eyelid skin down with the index finger, and turn the eyeball upward. Shake the eye drop well and drop it in the air, do not touch the eyeball, the liquid will flow into the lower palpebral conjunctival fornix, close the eye and rotate the eyeball clockwise or counterclockwise, so that the eyedrops can fully contact the eyeball. At this time, gently press the bilateral nasal roots with your fingers to prevent the eye drops from flowing into the nasal cavity through the nasolacrimal duct and cause the mouth to become bitter, and then wipe off the excess liquid with a dry cotton ball.

Is it “more is better” to use eye-fatigue eye drops?

Generally, a drop of water is 40~50 μl, and the conjunctival sac can hold the maximum The amount of liquid does not exceed 20 μl, so when using eye-fatigue eye drops, one drop can be instilled in one eye. In addition to controlling the amount of single use, you should also pay attention to the number of times you use eye drops every day. All kinds of eye drops (including eye-fatigue eye drops) usually contain preservatives, and repeated instillation will not only cause no improvement in symptoms in both eyes Too much alleviation can even cause the opposite effect. To ensure the effectiveness of eye-fatigue eye drops and reduce the risk of infection, it is recommended to use up within 4 weeks after opening, tighten the cap after each use and store in a dark place.

Prevention of eye strain

If you want to relieve eye strain at its root, using only eye strain-type eye drops is the only solution. Good work and rest and living habits, such as avoiding staying up late and reducing dependence on electronic products, are all very important to relieve eye fatigue. When it is unavoidable to use electronic equipment for some work, you can wear anti-blue light glasses; adjust the screen brightness within the normal range to prevent the screen brightness from being too high or too dark; Objects more than 20 feet (about 6 meters) away. In the diet, you can eat more foods with high content of lutein and vitamin C; lutein has various beneficial effects such as anti-inflammatory, which can relieve eye diseases, and the antioxidant effect of vitamin C can prevent the occurrence of cataracts.

The eye is not only an important organ of the human body, but also the most direct and important medium for people to communicate with the outside world. Eye diseases can greatly affect people’s quality of life, disturb people’s emotions, and even affect physical and mental health in severe cases. Therefore, protecting the eyes is a daily issue for people, and don’t regret it in the end.

Guide expert: Jia Yongxing, Executive Editor-in-Chief of the Journal of Popular Medicine, Shanghai Science and Technology Press