Myths about the eyes: does reading a lot or in low light damage your eyesight?

On a day in which books are the protagonists, health could not be missing either. In this sense, the Fernández-Vega Ophthalmological Institute (IOFV) clears up doubts so that we can enjoy reading without our eyes suffering.

From this clinic, ophthalmologist Luis Fernández-Vega Cueto-Felgueroso affirms that a lot of information circulates both on social networks and on the street about good or bad habits related to the way we read and warns that “not all of them are true.” and many others have nuances.”

Is reading on digital devices bad for your eyes?

The IOFV claims that paper books are the favorite option, but many replace them with electronic devices. These are designed “to have an optimal reading experience,” but those who use them to read may suffer eye discomfort or visual fatigue.

This is due to light devicesalso to reflections on the screen, which hinder and reduce the sharpness of the image.

The experts at this ophthalmology center say that the ideal way to reduce these negative effects of screens is to adjust the lighting so as not to create these reflections. As? using good natural light and resting your eyes approximately every 20 minutes.

And not only that, you have to force yourself to blink because people who stare at a screen tend to blink less, which can cause their eyes to dry out. Blinking promotes eye hydration.

Does reading in low light or darkness damage your eyesight?

The reality, they point out from this ophthalmological Institute, is that it could favor the increase in myopia in young people. It does not cause permanent damage but it can create eye fatigue and make reading difficult.

To avoid visual fatigue, experts recommend always having good lighting and, if possible, white or cold lights.

Likewise, they highlight the importance of wearing sunglasses, a cap or hat if sunlight hits directly in the eyes during reading as it may cause UV damage.

Does reading a lot cause eyestrain?

No. Presbyopia causes the eyes to gradually lose the ability to focus and see clearly up close due to the gradual loss of flexibility of the eye's lens, an effect normally produced by aging.

Does reading with glasses or contact lenses make your eyes more dependent on them?

The truth is that when using glasses or contact lenses, the eye becomes accustomed to seeing more clearly, hence when removing them the difference is noticeable and it may even be perceived that vision worsens if they are not used.

The reality is that their use does not have any negative effect on eyesight and it is normal that they are preferred to see better.

If I read too much, will my eyes be more damaged?

Experts indicate that the optimal reading distance is 20 to 23 inches. Doing it too close does not harm your eyesight but it can be a sign of refractive problems or may cause myopia to increase.

And this occurs when the shape of the eye prevents light from focusing correctly on the retina. Some of the most common refraction problems are myopia, hyperopia, astigmatism or presbyopia.

Is reading small print harmful to your eyesight?

When reading small letters we may get closer to the text, which could lead to an increase in myopia in young people. It can also cause visual fatigue but there is no evidence that damage the eyes.

The IOFV emphasizes that the ideal is to use a digital tool that allows you to change the font size. And if you opt for devices, it invites you to remember to rest your eyes every 20 minutes for 20 seconds, while looking from 20 feet away.

Dr. Fernández-Vega considers that in addition to all this advice, it is essential to go to ophthalmological check-ups to check the state of health of our eyesight, “especially if symptoms such as dry eyes, irritated eyes, fatigue or even blurred vision are observed at night. time to study or simply read a book.”

(With information from EFE)