A late-afternoon screen can make even a familiar email appear slightly less sharp. Your eyes may feel gritty, watery or heavy; a headache may begin behind the brow; and concentration can seem disproportionately difficult. Screen fatigue: how to protect your eyes is less about finding one miracle product than making a series of considered adjustments to how, where and when you use digital devices.
For many people, screens are an unavoidable part of working life, not an indulgence to be abandoned. The aim is therefore practical: reduce unnecessary strain, support the eye surface and recognise when symptoms deserve professional assessment. If dryness is the main issue, our guides to dry eyes: causes and treatment and choosing the best eye drops cover that side; this article focuses on the screen habits themselves.
What screen fatigue can feel like
Screen fatigue, often described clinically as digital eye strain, is a collection of symptoms rather than a single condition. It can include tired or sore eyes, blurred or fluctuating vision, dryness, watering, light sensitivity, headaches and discomfort in the neck or shoulders. Symptoms often build through the day and improve after time away from the screen.
There is a useful distinction between feeling tired and experiencing a change in vision. Focusing at close range for prolonged periods places sustained demand on the eyes, particularly when text is small or the screen is held too near. At the same time, people blink less completely while concentrating on a display. This allows tears to evaporate more readily, leaving the surface of the eye dry and irritated.
Air conditioning, central heating, contact lenses, allergies, certain medicines and the hormonal changes associated with menopause can all make dryness more likely. That is why two people can work at identical laptops and have very different experiences. Screen time may be the trigger, but it is not always the only cause.
Age-related changes in near focusing ability (presbyopia) can also contribute to visual fatigue and may require an updated spectacle prescription.
Children and teenagers can also experience symptoms of digital eye strain, particularly during prolonged use of tablets, phones and computers. Encouraging regular breaks and outdoor activities may help reduce visual fatigue.
Screen fatigue: how to protect your eyes at work
The most effective changes are often unglamorous, but they are also sustainable. Start by making the screen easier to look at rather than asking your eyes to work harder.
Set up the screen for comfortable viewing
Position the display roughly an arm's length away, adjusting according to its size and your prescription. The top of the screen should usually sit at, or slightly below, eye level. Looking a little downwards can help reduce the area of exposed eye surface, which may be more comfortable for those prone to dryness.
Increase text size until you can read it without leaning forwards or narrowing your eyes. Choose clear contrast, but avoid a painfully bright white screen in a dim room. Your display should broadly match the ambient light around you. If the screen looks like a lamp, turn it down; if you are straining to read it, increase brightness or contrast modestly.
Glare is easily overlooked. A window directly in front of or behind your screen can create reflections and force your eyes to keep adapting. Reposition the desk where possible, use blinds or curtains, and angle the monitor away from harsh overhead lighting. For laptop users, a separate keyboard and a raised screen can improve both visual comfort and posture.
Give your focus a regular change of distance
A simple habit is the 20-20-20 approach: every 20 minutes, look at something around 20 feet away for 20 seconds. It is not a cure for every type of eye discomfort, but it interrupts relentless close focus and gives you an opportunity to blink fully.
The detail that matters is consistency. Rather than relying on willpower in the middle of a demanding task, pair the break with something already in your routine: sending a message, finishing a page of notes or waiting for a kettle to boil. Look through a window, down a corridor or across a room. Scrolling on your mobile phone does not count as a visual break.
Longer pauses are worthwhile too. Stand up, move your shoulders and let your gaze settle on more distant objects for a few minutes. Eye strain and muscular tension often arrive together, especially when a screen encourages a fixed, forward-leaning posture.
Take blinking seriously
When absorbed in detail, people tend to blink less often and less completely. A deliberate series of slow, full blinks can help spread the tear film across the eye. This can feel slightly artificial at first, but it is particularly useful before and after concentrated work, video calls or gaming.
If your eyes remain dry, lubricating eye drops may offer short-term relief. Preservative-free formulations can be a sensible option for frequent use or for people with sensitive eyes - our guide to choosing the best eye drops compares the formats, and the right choice depends on your symptoms and contact lens use. A pharmacist or optometrist can help you select an appropriate product and advise on application.
Avoid using redness-relieving drops as a routine answer to screen fatigue. They may make eyes look whiter temporarily, yet they do not address dryness or visual strain and are not designed for prolonged, habitual use.
Consider your evening screen habits
The blue light question deserves a measured answer. Daytime exposure to normal device screens has not been shown to damage healthy eyes in the way that some marketing claims suggest. Blue-light-filtering spectacles may feel more comfortable for some individuals, but they are not a substitute for a proper prescription, better lighting or regular breaks.
Evening use is different because bright, close screens can interfere with the body's preparation for sleep. If you read, work or browse late at night, reduce screen brightness, use a warmer display setting if you find it comfortable, and avoid holding a mobile phone close to your face in a dark room. More importantly, create a genuine wind-down period when possible. A paper book, bath or quiet skincare ritual offers your eyes and attention a change of pace.
For those using contact lenses, consider whether your eyes feel more comfortable switching to spectacles for evening screen work. Contact lenses can be entirely suitable for digital life, but dryness may become more noticeable after a long day or in climate-controlled environments. Never extend lens-wear time simply because work is unfinished.
Support the wider conditions around your eyes
Adequate hydration supports general wellbeing, although dry eye symptoms are multifactorial and drinking more fluids alone will not resolve persistent symptoms. A balanced diet, adequate sleep and regular movement all have a role in how refreshed you feel at the screen. If you are considering supplements marketed for eye health, take a careful view of the claim and your individual needs. Nutrients such as omega-3 fatty acids and certain carotenoids are widely discussed - our guide to choosing an omega-3 supplement covers that category - but supplements are not a replacement for an eye examination or treatment for persistent symptoms.
Make-up and skincare also deserve thoughtful use around sensitive eyes. Remove eye make-up thoroughly before bed, avoid applying fragranced products too close to the lash line, and replace products that irritate. If you use lash serums, eye creams or active skincare near the orbital area, follow the product directions precisely and stop if stinging, watering or redness develops.
It can also help to review the practical irritants in your environment. A fan blowing directly at your face, cigarette smoke, dusty rooms and prolonged exposure to dry indoor air can all aggravate symptoms. Small changes, such as redirecting airflow or taking a break outdoors, can make a noticeable difference over a working week.
When screen fatigue needs professional advice
Do not assume every visual symptom is caused by a screen. Book an eye examination if blurring persists after rest, headaches are frequent, you are squinting to read, or your current spectacles no longer feel effective. Regular eye examinations remain important even in the absence of symptoms, as some eye conditions develop gradually without obvious warning signs. A changed prescription, uncorrected astigmatism, dry eye disease or difficulty with close focusing can all be mistaken for ordinary screen fatigue.
Seek urgent medical advice for sudden loss of vision, new flashes of light, a shower of floaters, severe eye pain, marked redness, injury, double vision or a dark curtain-like shadow in your sight. These symptoms are not typical of routine digital eye strain and should not wait for a convenient appointment.
At John Bell & Croyden, a pharmacist can be a useful first point of contact for straightforward dryness and eye care product guidance, particularly if you are unsure how your contact lenses or existing medicines may affect your eyes. Persistent, recurrent or concerning symptoms, however, call for assessment by an optometrist or other appropriate healthcare professional.
Your eyes were not designed to hold a single focal distance for hours without interruption. Treating regular breaks, better screen positioning and careful eye-surface care as part of your daily wellbeing routine can make digital work feel less draining, while preserving attention for the things that deserve it.