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The impact of screen time on dry eye: tips for prevention

Published on
January 25, 2023

According to a recent study, people who spend more than 2 hours a day on digital devices are 2.5 times more likely to develop dry eye. This statistic is driving the increased incidence of dry eye since the average American spends over 6 hours a day on digital devices.

What is dry eye?

Dry eye is a common condition that affects millions of people worldwide. It occurs when the eyes do not produce enough tears or when the tears evaporate too quickly. This can cause discomfort, redness, and even vision problems. One of the most significant contributors to dry eye is prolonged screen time. With the increasing use of digital devices, more people are experiencing dry eye symptoms than ever before. In this article, we will discuss the impact of screen time on dry eye and tips for prevention.

What is the impact of screen time on dry eye?

Prolonged use of cellphones, tablets, computers, and TV’s can lead to increased discomfort and dry eye due to the following reasons: 

Digital devices cause us to blink less frequently

Prolonged use of digital devices can cause the eyes to blink less frequently, leading to a decrease in tear production. 

Digital devices decrease the fullness of our blinks 

When we use digital devices we tend to blink less fully, which then leads to our eyes not getting the required amount of tears lubricating the surface of our eyes. 

Blue light exposure may exacerbate dry eye symptoms

There is no scientific consensus on the long term impact of blue light on our eyes and dry eye. What we do know is that screens increase our exposure to High Energy blue light. In the visible spectrum, short-wave blue light with wavelength between 415 nm and 455 nm has been cited in studies as being closely related to eye light damage. This high energy blue light passes through the cornea and lens to the retina which may exacerbate symptoms of dry eye and inflammation. Due to the relative small amount of blue light exposure in digital devices it is hard to show a direct impact on eye health in the short term, however caution may be warranted as we currently lack long term studies on the impact of exposure. 

Digital eye strain and eye fatigue 

Staring at a screen for extended periods can lead to eye strain, fatigue, and headaches, which can exacerbate dry eye symptoms. Viewing a digital device for extended periods of time places an unusual amount of stress on our visual system, this can cause a variety of symptoms which the American Optometric Association labels as Computer Vision Syndrome or Digital Eye Strain. 

Digital eye strain may be caused by a variety of factors including: 

These symptoms may be caused by:

  • Poor lighting
  • Glare from a digital screen
  • Improper or irregular viewing distances.
  • Poor seating posture or poor angle of the digital device
  • Uncorrected vision problems which are stressed by the demands of a digital device

What can be done to prevent dry eyes caused by too much screen time?

  • One of the most effective ways to prevent digital eye strain or computer vision syndrome which exacerbates dry eye symptoms is to take frequent breaks. The "20-20-20" rule is a good guideline to follow. Every 20 minutes, take a 20-second break and look at something 20 feet away. This can help reduce eye strain and improve tear production.
  • It's also important to adjust the settings on your digital devices to reduce the amount of blue light they emit. Many devices have a "night mode" or "blue light filter" that can be activated. This can help reduce inflammation and improve sleep quality. If you are concerned about blue light we encourage you to speak with our optometrist about the options for filtering out blue light such as special lens coatings. 
  • Another tip is to make sure to blink frequently while using digital devices. Blinking not only helps to lubricate the eyes but also helps prevent the eyes from drying out.
  • Practice full blinks so that your eyes are getting the proper lubrication. 
  • It's important to stay hydrated. Drinking plenty of water can help keep the eyes moist and reduce dryness.
  • Schedule a dry eye evaluation to assess the root causes of your dry eye symptoms and receive guidance on the steps that you can take to ensure eye health and comfort. 

Take our online dry eye assessment 

Take our dry eye assessment to see if your symptoms indicate that you are suffering from treatable dry eye disease

Dry Eye Quiz

Schedule a dry eye exam in Hixson

Don't let dry eye caused by screen time affect your daily life any longer. Take control of your eye health by scheduling a dry eye evaluation with our optometrist today. With our in depth diagnosis and personalized treatment options, you can say goodbye to dry eye symptoms and hello to clear, comfortable vision. Don't wait, call us now at (423) 710 3965 or visit /appointment-request-form/ to book your appointment. Your eyes deserve the best, trust our team to provide the care you need.

Patients with dry eye visit our clinic from all over Tennessee, and we are proud to be a leading provider of dry eye services for patients from Hixson, Chattanooga, Cleveland, and Middle Valley.

Testimonials


Vision therapy is well worth the response, time and effort. Our Son had a hard time focusing and writing neatly. After vision therapy Seth could complete a task in half the time if previously took. His abilities to focus improved greatly and so did his handwriting.

Also, he was better at listening. As a parent, we wanted learning to be fun for our Son, and vision therapy made this possible.


Amanda T.

Vision Therapy is well worth the expense, time and effort. Our son had a hard time focusing handwriting neatly. After vision therapy Seth could complete a task in half the time it previously took his abilities to focus and improved greatly and so did his handwriting.

Also, he was better at listening. As a parent you wanted learning to be fun for our son and vision therapy made this possible.


Alexa H.

Vision Therapy has given or son the tools he needs to be able to scan and read the written word more effectively and efficiently.

He love working with John and these working sessions give him the motivation to gladly work on his homework assignments.

It amazed us to see the difference in the tracking of his eyes and along a line of it's from the beginning to the end of the treatment.

Dr. McBryar , Kristen and John  are all marvelous and we would recommend them to anyone I only wish that we would have found them sooner!


Charlotte M.

Prior to coming to the institute for vision development my son complained of daily headaches. Therapy has eliminated his headaches completely. I love knowing my son is able to learn pain-free for the rest of his life because of the work that has been done over just a few weeks in this office. He he absolutely loved coming that didn't even feel like going to a doctor or therapy. We are grateful for the relief he was able to find by coming here.

Thank you!


Olivia C.

Seems much less frustrated with life

Reads non-stop and fast

Spelling abilities have been hugely improved

Seems much more confident

Thank You!!!


Kelly O.

When we first came to the practice, my son did not have huge issues, but lots of small ones- trouble with reading, sports (hitting the baseball consistently), coordination, etc- that were not easily detectable,but when put together presented issues. The staff here were all very professional and loving towards him. While I was concerned in the reading, my son was concerned with the athletic side. Seeing improvement night off the bat gave him confidence that i have nor seen in him and made him want to not only Come to therapy, but also made him want to work hard. He has surpassed his grade level and above in reading and hit his first home run this year! Thank you!!!


Alice M.
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