Video games can improve vision

Sharon Copeland Sharon Copeland
Monday, 13 September 2021 Share this blog: Facebook Twitter LinkedIn Copy link Copy Link

According to studies, playing action video games can improve your visual ability for essential tasks such as night driving. Research even suggests that playing video games may be as effective as contact lenses, glasses, and surgery to improve visual contrast sensitivity. This article discusses the many ways in which video games can improve a player's visual acuity.

Do video games help vision?

Playing video games can benefit our vision in numerous ways, despite contrary beliefs and the bad reputation they have gained. Here are four ways in which playing video games can benefit our vision:

1. Improved visual acuity

Playing video games challenges the eye muscles to move and focus quickly, therefore improving visual acuity. Visual acuity is the clarity or sharpness of vision. Opticians will check their patients' visual acuity by getting them to do a visual acuity test whereby the patient will be asked to read out letters or numbers from a chart at a distance. It’s normal for our visual acuity to deteriorate as we age.

2. Improved peripheral vision

Playing action games and first-person shooter games such as Call of Duty sharpen and improve peripheral vision.

These games often have real-life settings such as cities and jungles. While the player may be focused on where they are shooting, their brain is absorbing the whole screen, which often features moving people and objects in the background. Therefore, they are training their peripheral vision, which is incredibly beneficial in real life when noticing things such as trees, moving cars or people. We use our peripheral vision when walking and driving, for example.

man playing video game

3. Improved contrast sensitivity

Video games can even improve your ability to perceive and differentiate between shades of grey and improve contrast sensitivity and visual sensitivity to colour. If you have a low visual sensitivity to contrast, you may face a challenge when driving at night, especially if it's foggy outside. Contrast sensitivity is one of the first visual capabilities to fade as we age. Nevertheless, according to Daphne Bavelier of the University of Rochester, certain video games can improve your sensitivity to contrast in colours.

4. Improved amblyopia

Amblyopia is also known as 'lazy eye syndrome' and occurs when the brain cannot process information from one eye and, as time goes on, starts to favour the other eye.

A study has shown that playing video games can help children to improve their amblyopia. In this study, players who engaged in video games while wearing an eye patch on one eye recognised a dramatic improvement in visual acuity after 20 two-hour sessions. The results were compared to another group of participants who underwent the same experiment but shorter. This group noticed dramatically less improvement in their amblyopia.

Do video games cause bad vision?

Playing video games for extended periods doesn’t necessarily cause bad vision but can lead to computer eye strain, including eye fatigue, blurry vision, and headaches. This is due to the blue light emitted from digital devices, and for this reason, we would recommend wearing blue light glasses when playing video games.

Blue light glasses are designed to block some of the blue light emitted from digital screens and minimise digital eye strain.

Are all video games good for vision?

While video games have been said to improve vision in several ways, as stated above, this is not the case with all video games. Most of these visual benefits come from playing high-intensity action video games, including Call of Duty 2; however, one can improve their amblyopia by playing a range of video games, including non-action games such as The Sims.

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