Currently, there are contact lenses with and without optical power. The latter include colored and tinted products that allow you to partially or completely change the color of your eyes. In this article we will consider whether it is possible to wear this type of optical products if there are no visual impairments.
You should not wear lenses with diopters if you do not have visual impairments, as this may negatively affect the health of your eyes. In turn, contact correction means that do not have optical power can be used regardless of age, lifestyle and visual acuity. They do not cause any harm to the eyes, and also do not distort color reproduction at all.
Features of colored lenses
Lenses designed to change eye color are available in two types: tint and color. Tints come with and without diopters. They are colored much weaker than colored ones. Their task is not to change, but to enhance the natural shade of the iris and give it brightness.
Colored ones are used for dramatic changes; they can contain any pattern and are not intended for everyday wear.
Now technology makes it possible to produce completely harmless products, but they must be selected by a doctor .
In addition, you must strictly follow the rules for using lenses and then everything will be fine:
- Do not wear them for more than 8 hours or the time indicated in the instructions. Deposits that accumulate on the surface can cause inflammation;
- Always take them off at night. During sleep, the eyes experience oxygen starvation, lenses will aggravate this process, and you may wake up with discomfort and a feeling of fatigue;
- The product must be removed and inserted only with clean hands or tweezers;
- Store lenses in a special solution for at least 4 hours a day. They are disinfected and lubricated in it.
If you are sick or have developed conjunctivitis, it is better to stop wearing them altogether. Excessive exposure to the eyes when the body is weakened can cause complications.
How to protect yourself from eye inflammation and vision loss
Avoiding the terrible consequences of wearing contact optics is not so difficult; it is enough to follow some rules for its use:
- When working at the computer, always have moisturizing drops with you;
- always keep a container on hand - you will need it if your eyes suddenly turn red and discomfort appears, since in such a situation the lenses must be removed immediately;
- strictly follow the instructions for using contact lenses;
- You should buy contact optics after consulting your doctor, and you can wear them only after he has checked the mobility of the lens;
- if water gets in, the lens must be thrown away immediately, even if it is not disposable;
- if you forget to remove your optics before diving into the water, you should consult a doctor as soon as possible;
- The material from which contact lenses are made absorbs various chemicals very well, so it is strictly prohibited to be in rooms where there are chemicals or acetone in the air without removing the lenses. This includes the use of hairspray.
Maintaining hygiene when using contact lenses and strictly following the instructions will protect you from terrible consequences.
Does a computer ruin your eyesight?
Everything we use, gadgets and other devices designed to make life easier, affects our health. But in fact, it is not the devices that are to blame, but the conditions of their operation . Yes, the computer has a negative impact if you use it incorrectly. You just need to know the rules for organizing space and everything will be fine:
- The distance to the monitor should be 1.5 times the screen diagonal;
- The gaze should not fall directly on the image, but slightly from top to bottom;
- Lighting is one of the main parameters, pay special attention to it. There cannot be bright light in the room and it should not fall directly on the monitor. In this case, glare is formed, from which you will quickly feel tired. But it shouldn’t be dark with a bright monitor. The light must be adjusted so that it is present, but does not create additional burden - calm, soft and diffused, emanating from your left;
- If you work a lot with text, it's important to adjust your screen settings. Set the brightness to medium, and the best font is recognized to be size 12, the option It is usually not set by default, but you can choose it yourself.
In general, a person who is often at the computer needs to know how to do relaxing exercises to support vision .
How to maintain eye health when working at a computer?
Of course, it is impossible to refuse work. But there are ways to help yourself. Below are some exercises, do them regularly and you will feel better:
- Get up and go to the window more often or just walk around the room;
- When you feel tense, turn away and blink quickly;
- Warm palms help a lot. Warm them in a mug of tea, or blow on them and apply to your eyelids for a minute.
In addition, constantly change your type of activity. If you've been working with text, switch to moving images. Let it be a game, but such alternation requires different tension from the eye muscles. While some are working, others are resting.
And remember that you cannot look at the monitor for more than 2 hours without a break . Be sure to step away for 10 minutes. Set yourself a special “reminder”; the program will invite you to rest at the required intervals.
Does a phone ruin your eyesight?
Another device that is constantly before our eyes. We look into it even if there is nothing important there. There is constant debate about its health hazards. Numerous studies and tests are being carried out. Based on the results, scientists have already concluded that the phone is more dangerous than the computer when it comes to the eyes .
The fact is that its screen is much smaller, and so are the text and pictures. We have to bring the device close to our face, and this is harmful, the muscles stop tensing. Such prolonged viewing of objects close up, plus use on the go or in transport, leads to myopia or myopia in 35% of cases .
Yes, some people regularly play with the gadget and do not complain about their eyesight. But, firstly, there are few of them now. Secondly, people with a genetic predisposition and increased eye strain are at risk. The latter can include every second person.
Therefore, the number of people with visual impairments is growing steadily. There is only one way to save yourself from the harm of your smartphone - look at it as little as possible, especially on the go.
What to consider when deciding to wear contact lenses
The many advantages of contact lenses over traditional glasses ensure a high quality of life for patients with myopia. But does this mean that the problem of myopia is solved once and for all for all patients? Certainly not. The widely advertised high performance of contact lenses, relative ease of use and affordability have led to cases of self-prescription and selection by patients without the participation of a doctor. Contact lenses can even be purchased through an online store without the necessary diagnostics. This gives a false impression of their safety and pushes patients to unjustified experiments with their health.
Choosing the right type of contact lenses requires special knowledge and experience, which only an experienced ophthalmologist has. It is necessary to take into account several parameters at once, and also rely on diagnostic data. Wearing certain “universal” lenses can seriously harm your health. In addition to the shape, material, type and optical power, care products and wearing mode must be selected correctly. Only a specialist in contact vision correction can do this. During communication with the doctor, the patient receives all the necessary information on the technique of installing lenses and caring for them and the eyes.
During the period of adaptation, as well as during further use, you need to carefully monitor the condition of your eyes. The slightest discomfort, redness, tearing, pain or itching in the eye should be a reason to immediately contact the ophthalmologist who prescribed the lenses. Even in the absence of these problems, it is recommended to undergo a follow-up examination with a doctor at least twice a year.
The doctor monitors and has information about the latest developments in the field of contact vision correction. During the next examination, he may recommend a more modern model or adjust the parameters of the lenses. You shouldn’t be too conservative and refuse new trends and developments. In support of this, it can be noted that until quite recently, the material for making lenses did not provide oxygen access to the eye. This often became the reason that metabolic products caused inflammatory diseases. Modern models are so biocompatible that the eye does not experience additional stress due to insufficient gas exchange, and the risk of infection is minimized.
Moreover, a number of materials provide the effect of moisturizing the eye. This allows us to solve a problem that, due to its prevalence, has become the “disease of the century” - dry eye syndrome. Under the influence of dust and smoke, conditioned air, rare blinking when working with a monitor, as well as as a result of ophthalmic surgery and the same lenses, the eyes dry out, which also reduces immunity and causes discomfort. Until recently, contact lenses were among the risk factors, but today new materials, on the contrary, solve this problem caused by other reasons.
Do e-books damage your eyesight?
This is a completely different matter. E - link technology (electronic ink), invented specifically for reading text from the device screen, allows us to reduce the load to that which we get when flipping through ordinary paper books. The fact is that the e-book monitor is not backlit. The black and white microscopic capsules contained inside are released once, when flipped, depending on the polarity of the voltage. Therefore, there is no glare or flickering.
Ophthalmologists around the world approve of this idea. They believe that there will be no harm if you follow the same rules as when reading a regular book :
- Do not read in the dark or in bright sidelights;
- Refuse books on public transport;
- You can read while sitting or standing, but not lying down;
- Maintain an arm's length distance (approx. 30 cm).
In addition, the device is convenient because you can select the optimal font and adjust the contrast. Therefore, we can safely say that it even has advantages over a regular book.
Considering the current pace of technology development, you need to monitor your health more carefully, no matter how strange it may sound. Everything that is designed to help us and decorate our lives harms us in one way or another. Therefore, when wondering whether colored lenses spoil your eyesight or whether a computer is harmful, you are doing absolutely right. Today, a person has to protect himself from the benefits of civilization.
How does color perception change?
Another popular question: do colored lenses harm color perception? Remember the situation when a person with a colored CL has reduced visibility. This happens when the colored layer covers part of the pupil dilated in dark conditions. And this applies only to cosmetic and decorative lenses, the coloring layer of which is opaque.
Now imagine tint lenses. If it becomes dark, the pupil will dilate. Part of it will be behind the pigment layer, which remains transparent. This means that visibility will not be reduced, but some of the rays will pass through the colored substance. Only under this condition is a violation of color perception possible. In bright daylight, when the pupil is already a transparent colorless circle in the center of the lens, the eyes can see just as well as without lenses.
