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 Bellflower

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 (562) 925-6591 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 California, and we are proud to be a leading provider of dry eye services for patients from Bellflower, Long Beach, Lakewood, and Los Angeles.


I haven't actually used the optometrist side, so my review is limited to the vision therapy offered.  This office was recommended by my occupational therapist for the treatment of my double vision following a stroke.

Claire A.

Love this location. I had a brain injury accident from day one one. All the team make you feel you still important and hope in the horizon after when the medical system fell you miserably. Dr. Ikeda very professional and very understanding about your issue. Two tombs up.

Jim K.

My husband and I were immediately impressed with Dr Ikeda. I was hit by a car while cycling which caused broken bones and three brain injuries. The brain injuries caused double vision. Dr. Ikeda examined my eyes and got me started on vision therapy with his occupational therapist who specializes in vision therapy.  She (Chris) is absolutely great.  I am impressed with the array of tools used to help recover my binocular vision.  I am doing things I never thought were possible (balance boards etc).  Chris pushes me and keeps me motivated. I really enjoy my sessions with her.  The office staff is always friendly and they have a wonderful appointment reminder tool that makes it easy to keep my calendar up to date. I am happy the rehab center at Little Co. of Mary recommended them!!

Teresa S.

The Vision Therapy is handled in a separate office through a different door from the shared waiting room. Chris, the vision therapist, has a wide and varied assortment of tools, equipment and resources to best evaluate and treat most vision issues. After just a few visits, my double vision became easier to control, using exercises developed during the therapy process. It was time well-spent.

Joe M.

I have been coming here since I can remember. I love it here. The staff is so amazing and nice. They explain everything they gonna do and never make you feel rushed. Dr. Ikeda has always been my doctor and I would never want another one. He is the doctor for my whole family and is always asking how everyone is doing. I am also so crazy about picking out my frames and have to try so many and each person who helps me take the time and lets me try them all on. I would never want to go anywhere else! I definitely would recommend this office to anyone looking for a great eye doctor.

Kayla W.

This is not for the eye exam but for the frames selection portion. I brought my prescription from Kaiser here with my VSP insurance. The reception staff was very polite and professional.  Manny helped me to pick out frames and explain my coverage.  Very helpful and patient not like the individual at the other place I rated here on Yelp.  I was running late and he still helped me and was not bothered at all.  I am so glad I came here ..........very pleased.

Very professional staff and pleasant.

Daniel G.
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