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 New York

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 (212) 752-6930 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 New York, and we are proud to be a leading provider of dry eye services for patients from New York, Queens, Brooklyn, and Long Island.


At Amplify with Dr Wernick I was seeking help for seemingly intractable, probably age-related dryness. I've seen other doctors about it, and that has been helpful, but what he explained to me about it and the careful way he answered all my questions gave me so much more of a clear understanding of what is going on (and is not) that I am more able to implement all his and others' recommendations than I was before. And he gave me additional resources for further follow-up. I am most grateful.

Cynthia Norton

Wow! This is a great Eye Care medical facility. I was thoroughly examined by Dr. Pinkhasov for over 2 hours. She made sure to check my eyes for pretty much everything and patiently explained proper care for my eyes. They definitely know how to provide great care and treat their patients right. Now I know why they have such a great reputation and been around for so long.

Steve Fay

Dr. Kavner is a gifted diagnostician and orthoptic therapist. He treated me several decades ago for a condition similar to dyslexia. I was having migraines five times per week. I worked with him for about a year and I experienced tremendous improvement (down to 3-4 per year) that has lasted.

Mary K.

Dr. Kavner recommended two types of eye therapy for my daughter. One of them using bio-feedback. In just three sessions she is seeing considerably better. She shouted this morning: Ooh my God! I could not see these letters with my glasses on, and now I can see them without my glasses. If you are willing and able to invest in improving your vision, this is a good place to go to!

Peter G.

Dr. Kavner recommended two types of eye therapy for my daughter. One of them using bio-feedback. In just three sessions she is seeing considerably better. She shouted this morning: Ooh my God! I could not see these letters with my glasses on, and now I can see them without my glasses. If you are willing and able to invest in improving your vision, this is a good place to go to!

Kinkie F.

I have always found Dr Kavner's work, expertise and wisdom of the highest caliber. As one of the fathers of OT, occupational othomology, his depth and breadth of knowledge about the eyes' health and wellbeing of the patient is exemplary. Cannot say enough good things about him.

Allen B.
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