Computers have long been firmly established in our lives. Both work and leisure of many people are closely related to the computer. Some of us are unable to spend a single day without this “miracle of technology.” But not every user realizes the degree of stress to which his eyes are exposed. In the 21st century, a new disease has emerged, called “computer vision syndrome.”
Its main symptoms include: headache, blurred vision, fatigue, red eyes. There is a burning sensation in the eyes, a feeling of dryness, and lacrimation often begins. Why does this happen and how to deal with such unpleasant manifestations?
Negative effects of a computer (laptop) on the eyes
During daily activities at the computer for more than 4 hours the visual system experiences a significant load. When working this way, the eyes become noticeably tired, and the mucous membrane dries out. To prevent these unpleasant consequences, you need to use special glasses.
Glasses for working at a computer are made in such a way that minimal harm is caused to the visual organs during such work. But even taking this into account, it should Get up from your chair for at least 10-15 minutes from time to time. You can distract yourself by looking out the window and trying to peer into the distance, or just relax a little.
Reference! Such products use special protective coatings made of tinted glass. Such coatings help block electromagnetic radiation emanating from the monitor and provide eye protection when the monitor is constantly flickering.
The main purpose of computer glasses is to make the eyes blink and increase clarity a little.
Basic mistakes when working on a computer
To the most common mistakesallowed when working on a computer, it is customary to include the following:
- continuous work without rest or performing eye exercises for more than 45 minutes;
- location of the monitor below or above eye level;
- dust on the display and workplace;
- being at a distance of less than 50-60 cm to the monitor;
- staying in one position for a long time;
- infrequent blinking;
- incorrect settings for contrast, brightness and display refresh rate;
- working in a poorly lit room.
Important! After purchasing such glasses, you should not sit for days in front of the computer in them. The eyes should get used to such an accessory gradually. During the first two weeks, it is recommended to wear them for no more than 2-3 hours.
Do computer glasses help?
In practice, such products really bring benefits. The use of optical (in some cases, mineral) lenses has made it possible to achieve certain successes in reducing damage to the eye mucosa. In addition, these protective glasses improve clarity, protect against ultraviolet radiation and relax muscles.
Important! When using such products, you must remember that you must take breaks, taking off your glasses and working for a while without them. You should not go outside wearing such glasses. The cornea of the eyes should be regularly exposed to ultraviolet rays. Special protective glasses for working at a computer make it difficult for such rays to reach the eyes, thereby having a negative effect on the visual system.
Computer glasses: benefit or harm?
The advantages of such products include:
- reduction of fatigue and eye strain due to redistribution of focal load;
- improving the quality of the visible image;
- protection of the eye lens from the harmful effects of rays;
- Makes reading and drawing easier.
Important! It must be taken into account that prolonged use of safety glasses weakens visual function.
Caution for visually impaired people
Computer glasses are available with and without diopters. The first option is intended for people with various refractive errors - farsightedness, myopia, etc. Such models may have monofocal, bifocal, progressive and other lenses.
Before purchasing such glasses, you should definitely undergo an examination by an ophthalmologist. The incorrect selection of such a product, in addition to unpleasant sensations during work, can significantly impair vision.
Preventing eye fatigue when working at a computer
To protect yourself as much as possible from the negative manifestations associated with constant work at the computer, you need to: follow these recommendations:
- While working at the computer, you need to blink more often.If necessary, eye drops can be used for additional hydration.
- The monitor should be positioned at arm's length. When working on the keyboard, it is necessary to ensure that your hands have a minimum bend in your wrist.
- It is better to sit in front of the computer on a chair that supports the lower back.
- It is necessary to position the monitor in such a way that ceiling lights or sunlight are not reflected on it.
- When working at a computer, every 20 minutes you need to take your eyes off the monitor and look at objects located in the distance for 20 minutes.
How to choose the right computer glasses?
It is necessary to choose safety glasses for working at a computer, focusing on the specifics of the activity:
- for working with texts It is recommended to choose glasses that enhance contrast and remove halftones;
- for working with graphics models that improve color rendering are suitable;
- for games It is better to purchase glasses with coated lenses that do not reflect glare.
Advice! When choosing such a product, you need to take into account that the glasses should not put pressure. but they should not sit too loosely.
To buy a truly high-quality product, it is recommended to purchase such glasses at an optician, pharmacy or in trusted stores. By purchasing such accessories second-hand, you can buy glasses that not only will not be able to properly protect your eyes, but will also cause harm to them. You should not save on your own health.
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