Driving and Screen Use with Thyroid Eye Disease

For many people living with thyroid eye disease (TED), everyday activities that rely heavily on proper vision, like driving or working on digital devices, can become unexpectedly challenging. TED may result in symptoms such as double vision, eye dryness, sensitivity to light, and difficulty focusing, all of which make tasks that require concentration, such as reading from screens or navigating through traffic, more difficult. Understanding how TED affects visual performance and acuity and learning strategies to adapt can help patients maintain independence while protecting eye health. This guide explores how TED affects driving and screen use, why these issues occur, and practical ways to manage them.

Why Thyroid Eye Disease Affects Daily Visual Tasks

Thyroid Eye Disease (TED) is a complex, autoimmune disease that can cause inflammation and remodeling of the tissues around the eyes when the immune system attacks tissues such as muscles and fat within the orbit (1,2). This inflammation can cause symptoms such as eye bulging (proptosis), irritation, double vision (diplopia), and visual fatigue (3). These changes can directly interfere with activities that require sustained visual focus or precise eye coordination (4). For example, double vision makes it hard to judge distance, monitor traffic or read road signs. Dryness and irritation may worsen when concentrating on screens. Eye muscle inflammation can limit eye movement and make focusing and concentrating tedious, can cause double vision and also cause increased sensitivity to high-intensity lights, making bright headlights or digital displays uncomfortable. Because of these symptoms, patients often notice difficulties in performing tasks that once felt routine.

Driving With Thyroid Eye Disease

Driving requires quick visual processing, accurate depth perception, alert peripheral vision and the ability to scan multiple areas of the road. The multitude of symptoms in TED can make this more challenging.

Double Vision and Depth Perception

One of the most significant concerns affecting driving ability is double vision. It occurs when the eyes no longer align properly due to swelling of the muscles that control eye movement. As a result, each eye sends slightly different images to the brain and drivers may see overlapping or shifted images. This can make judging the distance between vehicles, quickly reading road signs and tracking moving objects such as pedestrians or cyclists very difficult. In some cases, double vision may only occur with certain directions of gaze and drivers may notice that looking sideways or checking side mirrors triggers visual overlaps.

Increased Light Sensitivity and Difficult Night Driving

Many TED patients experience photophobia, or sensitivity to bright light. Bright headlights, streetlights, or glare from reflective surfaces can intensify discomfort. Night driving becomes more difficult because headlights produce glare and pupils dilate in darkness, thereby increasing sensitivity and reducing visual contrast. Due to this, patients begin to avoid driving after sunset or during periods of symptom flare.

Eye Fatigue During Long Drives

Extended periods of visual concentration can cause eye muscles to tire more quickly in people with TED. This can both lead to and aggravate symptoms such as blurred vision, eye strain, headaches and double vision. These symptoms can also worsen during longer drives or in heavy traffic, where constant focus is required.

Practical Tips for Driving Safely

While some patients may need to temporarily limit driving during the active phase of the disease, others can continue driving safely with adjustments. Recommended precautions include:

1. Use of Prism Glasses if Prescribed

Special lenses called prism glasses can help correct double vision by aligning images before they reach the brain.

2. Planning Driving Times Carefully

Driving during daylight hours and avoiding nighttime trips may reduce glare and eye strain.

3. Taking Frequent Breaks Between Long Drives

Stopping periodically allows the eyes to rest and prevents muscle fatigue.

4. Adjust Mirrors and Seating Position

Proper alignment helps reduce the amount of eye movement needed to monitor traffic.

5. Keeping the Windshield Clean

Glare increases when the windshield has dust or streaks.

6. Discussing Symptoms with An Eye Specialist

If double vision, discomfort or visual instability worsen, it is important to consult your doctor before continuing to drive. Safety should always be the primary priority, and some patients will be advised to temporarily pause driving during active disease phases until symptoms improve.

Screen Use During TED and Why Screens Worsen Symptoms

Whether working on a computer, using a smartphone, or attending virtual meetings, screens demand sustained visual attention. Unfortunately, TED symptoms often intensify during prolonged screen time (5). When using digital devices, people blink less frequently. Reduced blinking causes tears to evaporate more quickly, increasing dryness and irritation. Patients with TED may already have tear film instability and this effect becomes amplified. Such patients experience dry, gritty eyes, blurred vision, eye fatigue and increased redness or irritation with prolonged screen usage. In addition, focusing on a screen for long periods requires continuous eye muscle coordination, which can aggravate diplopia or strain.

Also, many modern professions rely heavily on digital devices and people with TED may struggle with tasks such as reading the text on monitors, attending video meetings, data entry or document review, graphic design or detailed visual work etc. Some patients report that screen fatigue worsens later in the day as eye muscles tire. In fact, individuals with TED often find it easier to complete computer-based tasks earlier in the day before their eyes become fatigued.

Eye specialists commonly recommend the 20-20-20 rule to mitigate eye strain in TED patients during prolonged screen usage (6). This involves taking a break every 20 minutes and looking at something 20 feet away for at least 20 seconds. There are several apps available to remind users to take these breaks and regular breaks allow eye muscles to relax and help restore tear film stability. Apart from app-based reminders, using timers or productivity apps to track digital use can help prevent long stretches of usage without breaks.

Proper screen ergonomics can also significantly reduce eye strain. TED patients can position the monitor slightly below eye level, maintain a comfortable viewing distance (about 20–28 inches), increase text size when possible and reduce screen brightness to match room lighting. Employing anti-glare filters can also help minimize visual discomfort.

Lubricating eye drops or artificial tears can help maintain moisture and reduce irritation during screen use. For some patients, doctors may recommend preservative-free artificial tears during the day and lubricating ointment at night if eyelid closure is incomplete and maintaining a stable tear film helps reduce digital eye strain.

When taking breaks to spend time away from screens, things such as going outdoors for a walk can provide considerable relief. Natural lighting conditions are often easier on the eyes than artificial lighting or screen glare.

When Driving or Screen Use Becomes Too Difficult

In moderate to severe TED, symptoms may become significant enough to interfere with daily tasks. It is important to seek help if you experience persistent double vision while driving, difficulty reading screens despite adjustments, severe eye pain or pressure, sudden changes in vision, or difficulty keeping the eyes open comfortably. These symptoms may indicate active inflammation or disease progression that requires medical treatment.

Managing TED often involves a combination of medical and surgical approaches (7). Treatment options may include medications to reduce inflammation, targeted biologic therapies, orbital decompression surgery for severe proptosis, strabismus surgery to correct eye alignment and eyelid procedures to improve closure. By addressing the underlying disease, these treatments can help restore more comfortable vision and improve daily function.

Maintaining Independence with TED

With the right strategies and medical support, many patients continue to work, drive, and use digital devices effectively. The key is recognizing how TED affects vision and adapting accordingly. Simple precautions such as taking regular eye breaks, managing dryness proactively, adjusting lighting and screen settings and seeking treatment for persistent symptoms can provide marked relief. With careful management and guidance from an experienced eye specialist, most people with TED can maintain both safety and independence.

If you are suffering from TED and are facing difficulties with performing regular daily tasks such as driving or working with screens, do not hesitate to schedule an appointment with Dr. Raymond Douglas.

References

1. Wiersinga, W. M., Eckstein, A. K. & Zarkovic, M. Thyroid eye disease (Graves’ orbitopathy): clinical presentation, epidemiology, pathogenesis, and management. Lancet Diabetes Endocrinol 13, 600-614 (2025). https://doi.org/10.1016/S2213-8587(25)00066-X
2. <autoimmune_diseases_and_your_environment_508.pdf>.   
3. Shah, S. S. & Patel, B. C. in StatPearls     (2025).
4. Smith, T. J.et al. How patients experience thyroid eye disease. Front Endocrinol (Lausanne) 14, 1283374 (2023). https://doi.org/10.3389/fendo.2023.1283374
5. Kamoy, B.et al. Video display terminal use and dry eye: preventive measures and future perspectives. Acta Ophthalmol 100, 723-739 (2022). https://doi.org/10.1111/aos.15105
6. Pucker, A. D., Kerr, A. M., Sanderson, J. & Lievens, C. Digital Eye Strain: Updated Perspectives. Clin Optom (Auckl) 16, 233-246 (2024). https://doi.org/10.2147/OPTO.S412382
7. Fox, T., Kossler, A. L. & Dosiou, C. Thyroid Eye Disease: Management, Advances, and Future Opportunities. Endocr Pract 31, 1319-1328 (2025). https://doi.org/10.1016/j.eprac.2025.06.011