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Can Too Much Screen Time Cause Myopia?

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A young kid laying in bed staring at a digital screen.

From work computers and school tablets to the phones in your pocket, screens are a major part of your daily life. The team at Total Vision Little Tokyo knows it’s a common concern for parents and adults who spend hours focusing on digital devices. If you have ever wondered what all that screen time means for your family’s vision, you are not alone.

While screens do not directly cause myopia, the significant increase in close-up tasks associated with them is a key factor in its development and progression, which is why myopia control for children is important. 

What Is Myopia & Why Does It Happen?

Myopia, often called nearsightedness, is a common vision condition in which you can see objects up close with clarity, but those farther away appear blurry. This happens when the shape of your eye causes light to focus in front of the retina instead of directly on it.

If you have myopia, you might squint to see a road sign or find it hard to make out a presentation from the back of the room. The development of myopia is often linked to a mix of genetic and environmental factors, including increased activities that require sustained close-up focus.

The Link Between Screens & Nearsightedness

Why Screens Affect Your Eyes

When you spend hours reading, writing, or looking at a screen, your eyes work hard to maintain focus on something just a short distance away. The prolonged effort can lead to eye strain and fatigue. At the same time, more time indoors on screens often means less time spent outside.

Outdoor time gives your eyes a chance to focus on distant objects, which helps them relax. A lack of natural light and constant close-up focus can contribute to digital eye strain, which can affect both adults and children.

Common Symptoms of Digital Eye Strain

You may not connect your symptoms to screen use right away, but your eyes could be telling you they need a break. Pay attention to signs of digital eye strain, such as:

  • Frequent headaches, especially after using a computer
  • Eyes that feel dry, scratchy, or tired
  • Vision that becomes temporarily blurry after looking at a screen

Signs of a Vision Change

Changes in vision can happen gradually, and you might adapt without even realizing it. For children, it can be even harder to notice, as they may assume everyone sees the way they do. Being proactive about vision health starts with recognizing signs that may indicate the need for a children’s eye exam.

Look for subtle clues that indicate it’s time for an eye exam. You or your child may be:

  • Squinting to see distant objects clearly
  • Moving closer to the TV or holding books nearer to the face
  • Having trouble seeing the board at school or work
A young kid rubbing their eye while staring at a screen.

How to Protect Your Eyes in a Digital World

Follow the 20-20-20 Rule

One simple way to reduce eye strain is to give your eyes regular breaks. The 20-20-20 rule is an easy-to-remember method that helps your eye muscles relax throughout the day.

  • Every 20 minutes of screen time…
  • Look at an object at least 20 feet away…
  • For a full 20 seconds.

Create a Healthy Screen Habit

Beyond taking breaks, you can adjust your environment and habits to support your eye health. Small changes can make a big difference in how your eyes feel after a long day of screen use.

  • Adjust your screen brightness to match the room’s lighting.
  • Position your monitor or device at arm’s length, just below eye level.
  • Remember to blink frequently to keep your eyes moist and prevent dryness.

Myopia Management & Professional Eye Care

Can Myopia Be Reversed?

Once myopia develops, the physical change in the eye’s shape cannot be reversed. However, you are not without options. The progression of myopia can often be managed, especially when it is identified early in children and teenagers.

Regular comprehensive eye exams are important for monitoring changes in vision. An eye doctor can track how your vision is developing and recommend strategies to help manage its progression, protecting your long-term eye health.

How Eye Doctors in Little Tokyo, Los Angeles Can Help

Professional guidance can help you and your family navigate vision changes in a digital age. The eye doctors in Little Tokyo can perform a thorough examination to assess your ocular health and vision needs.

Your family’s vision care plan may include:

  • Customized prescription eyeglasses or contact lenses for clear vision
  • Myopia control options to help manage progression in children
  • Comprehensive eye health exams to monitor your vision over time

By staying proactive about eye health, you can take meaningful steps to protect your vision. The team at Total Vision Little Tokyo is ready to support your family with comprehensive exams and personalized care. Schedule an appointment today to get a clear picture of your eye health.

Written by Total Vision

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