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Are Digital Devices Harmful to My Child’s Vision?

digital devices harmful to my child’s vision?

In today’s world, digital devices ranging from tablets, smartphones, laptops, and TVs, these screens are practical. Since children spend more time staring at these screens, the common concern for parents, educators, and health professionals nowadays is the potential harm of these screens to their eyes.

Though these screens offer immense educational benefits, they are risky to our children’s eye health.

This blog explains how excessive screen time can affect children’s vision, the symptoms of your kid’s eye strain, and practical tips to mitigate these risks.

The Impact of Screen Time on Children’s Eyes

Children today are exposed to digital screens from a very young age. Research indicates that kids as young as six months start interacting with their parents’ tablets and smartphones. By their teenage years, they can spend nearly seven hours a day in front of a screen, not including time spent on schoolwork.

  • Excessive Screen Time is a Concern

Children who spend much time staring at screens may develop computer vision syndrome. This includes various eye problems such as eye strain, dry eyes, and blurred vision. Parents and educators should take the initiative to mitigate them.

  • Blue Light Exposure

Digital screens emit blue light, a wavelength that can damage our eyes to some extent and disrupt sleep patterns. Additionally, long-term exposure increases the risk of developing age-related macular degeneration. Limiting screen time, especially before bed, can significantly reduce this exposure.

Common Eye Strain Symptoms in Children

Understanding the symptoms of eye strain can help you identify if your child is experiencing discomfort due to excessive screen time. Here are some common symptoms:

  • Eye Fatigue

Prolonged screen use can cause the muscles around the eyes to become fatigued. This can result in difficulties concentrating, headaches centered around the temples and eyes, and general discomfort.

  • Blurry Vision

Staring at a screen for long periods can cause the eye’s focusing system to spasm or “lock up,” leading to temporary blurred vision. Some studies suggest that extensive use of digital devices may contribute to rising rates of myopia (nearsightedness) among children.

  • Dry Eyes

People tend to blink less often when concentrating on a screen, leading to dry and irritated eyes. Desktop and laptop computers can exacerbate this issue since they are usually positioned higher in the visual field, causing the upper eyelids to open wider and speeding up tear evaporation.

Practical Tips for Reducing Screen Time Risks

According to research from the University of Toronto’s School of Public Health, “Limiting screen time for children to 2 hours per day can significantly reduce the risk of negative health outcomes, including obesity, poor sleep, and behavioral problems.”

Use Blue Light Filters

If your child wears glasses, consider lenses with a blue-blocking filter. You can also get blue-blocking filters for computer and tablet screens. These filters reduce glare and blue light exposure.

Encourage Regular Breaks

Encourage your child to take regular breaks from screen time. Following the 20-20-20 rule can help—every 20 minutes, look at something 20 feet away for at least 20 seconds. This reduces eye strain and gives the eye muscles a chance to relax.

Increase Blinking

Encourage your child to blink more often, especially during breaks. If dry eyes persist, your pediatrician or eye doctor may recommend moisturizing eye drops or a room humidifier.

If your child is experiencing blurry vision or other eye problems, they might not mention it. Regular vision screenings can catch issues early. It’s recommended that children have their eyes checked by an optometrist regularly. If you’re looking for optometry in SW Calgary, Eyedeology Eye Clinic & Optometry offers children’s eye exams.

Contact Eyedeology Optometry To Build Lifelong Healthy Vision Habits

At Eyedeology Optometry, we are passionate about your eyes and committed to providing customized care. From complete eye examinations to specialized treatments, our expert optometrists in SW Calgary are here to help your family maintain healthy vision. We offer personalized eye exams for all ages and have been serving the community since 2013.

Our services include:

  • Complete Eye Examinations
  • Dry Eye Exams
  • Eye Emergencies
  • Vision Therapy
  • Glaucoma Testing
  • Children’s Eye Exams

Understanding the risks and taking proactive measures can help ensure your child’s eyes remain healthy and strong. For more information and to schedule a children’s eye exam in Calgary, visit us today. We’re here to support your family’s vision and health every step of the way.

FAQs

  • How can I tell if my child is experiencing eye strain?

Look for signs such as frequent eye rubbing, complaints of headaches, squinting, or avoiding screen time. If these symptoms persist, consult an optometrist.

  • Can screen time cause permanent damage to my child’s eyes?

While prolonged screen time can lead to temporary issues like eye strain and blurry vision, there is ongoing research about its long-term effects. Encouraging good screen habits can help mitigate these risks.

  • Are there specific types of screens that are worse for children’s eyes?

All digital screens emit blue light, but larger screens like desktops and laptops can be tougher on the eyes because they are usually positioned higher up, causing more eye strain.

  • How often should my child have an eye exam?

It’s recommended that children have their eyes examined at least once a year. Regular check-ups can help detect any vision issues early and ensure proper treatment.

  • Are blue light filters effective?

Yes, blue light filters can help reduce the amount of blue light exposure from digital screens. They can be particularly effective when used consistently and combined with other eye health practices.

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Advanced Myopia Control for Children

Recent randomized controlled clinical trial results presented at the ARVO 2026 Annual Meeting showed promising results for children aged 4–12. Among the 196 children who completed the study, those wearing MiYOSMART iQ showed no average myopia progression after 12 months. The study also found that excessive axial eye growth was reduced to levels below or comparable to those seen in children without refractive errors.

Designed to Help Control Myopia Progression

Myopia, commonly known as short-sightedness, can progress during childhood as the eye grows excessively. Managing myopia earlier in life may help reduce the impact of continued progression and the associated risks of high myopia later in life.

MiYOSMART iQ builds on the established D.I.M.S. Technology used in MiYOSMART lenses and introduces a Triple Enhanced Design (TED). This design incorporates three key enhancements:

  1. Defocus Segments Closer to the Center: The segments are positioned closer to the geometric center of the lens to provide continued exposure to myopic defocus across the near-peripheral retina.
  2. Higher Defocus Power: The lens provides a stronger myopic defocus signal intended to support myopia control.
  3. Extended Treatment Zone: A larger treatment area provides broader coverage of the child’s peripheral visual field, including when larger frames are used.

Clinical Results Across Different Age Groups

The clinical trial included children between 4 and 12 years of age, with results demonstrating myopia-control efficacy across the age groups studied.

For children aged 4–6 years, MiYOSMART iQ demonstrated 65% efficacy in spherical equivalent refractive error (SER) and 44% efficacy in axial length over 12 months. For children aged 7–12 years, the lens demonstrated over 100% efficacy in SER and 94% efficacy in axial length during the same period.

The study also reported a high level of compliance with daily, all-day wear among children across the age groups studied.

Built on Established D.I.M.S. Technology

MiYOSMART iQ represents an evolution of MiYOSMART, a myopia-control lens technology backed by more than 100 peer-reviewed scientific publications. The updated lens design builds on research into how the eye responds to myopic defocus and focuses on delivering a stronger and more consistently positioned defocus signal.

Since its launch in 2018, more than 15 million MiYOSMART spectacle lenses have been purchased by parents across more than 50 countries worldwide.

Supporting Earlier Myopia Management

The clinical findings for MiYOSMART iQ include children as young as four years old, representing an important development in spectacle-lens-based myopia control. Early-onset myopia can progress during a critical period of childhood eye development, making appropriate management an important consideration for children with progressive myopia. MiYOSMART iQ provides an advanced spectacle-lens option for children who require myopia management. An eye care professional can assess your child’s vision and determine whether this type of lens is appropriate for their individual needs.
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