Causes of Myopia

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EyeQue Team

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April 28, 2021


What Causes Nearsightedness?

Myopia, or nearsightedness, is a very common vision issue, affecting almost 30% of the U.S. population. This condition occurs when the eye is too long from front to back, which causes light to be refracted in front of the retina, instead of directly on it. This results in blurry vision when objects are at a distance and clear vision when objects are close up.

Causes of Myopia

NearsightednessIn general, myopia occurs when the eyeball is longer than it should be. However, nearsightedness could also occur when the cornea is too steeply curved – both of these conditions result in blurry vision.

Genetics plays a role in the development of nearsightedness as well – when one (or both) parents are myopic, there is a greater chance that their child will also be myopic.

Interestingly, data suggests that environmental factors may play an even bigger role in the likelihood of developing myopia than genetics. Children that read a lot or do a lot of near work have a greater risk of developing myopia. Spending a lot of time indoors can also increase the likelihood of developing nearsightedness.

A high amount of visual stress can also lead to nearsightedness, as can the development of cataracts. Systemic issues like diabetes can also cause the development of myopia.

Complications of Myopia

People with uncorrected nearsightedness may have increased eye strain due to the difficulty of maintaining focus on objects in the distance. Uncorrected myopia can also be a safety issue while driving or doing other activities that require clear vision.

Extreme nearsightedness can also be a risk factor for other eye issues including glaucoma, myopic maculopathy, and retinal tears.

How Do I Know If I Have Myopia?

If you have never taken a vision test, it’s time for you to try the VisionCheck from EyeQue. The VisionCheck works with your smartphone to determine your refractive error. It can be used to detect myopia, hyperopia, and astigmatism.

Your Vision at Your Fingertips

With the VisionCheck you can test your vision from home and use the results to order glasses online. Updating your glasses has never been easier!

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