Loss of vision is a condition that afflicts millions of people in the world, who have problems to see objects and people clearly, or who have lost their vision completely.
According to the World Health Organization these complications, In at least half of the cases, eye health care and timely treatment of conditions worsening it could have been avoided.
In this regard, there is research that aims to demonstrate the link that constant exposure to screens will have with the development of visual conditions that can gradually damage vision.

According to Dos Pharma Portal, Continued use of technological devices such as computers, cell phones and other mobile devices has been associated with eye fatigue, which requires them to try to filter the amount of light they receive from screens each day.
This eye fatigue can be recognized as a variety of discomforts, such as itching, dryness and burning.
Experts caution about this risk factor for developing visual loss, who believe that these devices, such as television, have become a part of everyday life and that people spend many hours a day at screens, either at leisure, work or spend to study.
But how severe can screen light exposure be?
More than one person in childhood must have told that it is bad to watch television so closely, as it can harm the health of the eyes. However, as he points out to Clinica Bavera, there is not enough evidence to link the presence of visual deficits with this habit of spending hours in front of the television, specifically in vision in his blog.
As they explain, the warning stems from the technical failure that some televisions presented during the sixties and which could put people at risk, as they could have been directly exposed to the X-rays emitted by the screen. . However, that factory error is not a problem that persists to this day.
Although the relationship between screen exposure and specific vision-altering diseases needs to be continued to be studied, It cannot be denied that this excessive use can actually make the eyes tired and lead to uncomfortable ailments, such as blurred vision and headaches., These are consequences that can be reduced after a few hours, without representing irreversible damage to visual ability.
Ophthalmologist Mauricio Casanovas, consulted by forum of top doctors from Spain, explains that constant exposure to screens has grouped the symptoms experienced by people known as display screen syndrome.
According to the Ruby Ophthalmological Clinic, this condition describes discomfort caused by using electronic devices for long periods of time. These include redness of the eyes, eye fatigue, dryness, tearing of the eyeball, and double or blurred vision.
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To avoid the appearance of these symptoms, it is recommended to follow some basic care recommendations, such as resting your eyesight after a long time in front of a screen. This trick, known as the 20-20-20 rule, involves looking at a point 20 feet away for 20 seconds, stopping every 20 minutes.
It must be said that, in the event of any difficulty in vision, it is suggested to consult a specialist and determine whether any kind of visual repair is necessary, such as a finished lens (glasses or contact lenses).