Screen fatigue: what to know

Long periods of close focusing can leave the eyes sore, dry, gritty, watery, or temporarily blurred. Brightness, glare, small text, and reduced blinking may worsen discomfort. Concentrating on messages, documents, or fast-moving content can also produce headaches, neck tension, irritability, and difficulty focusing. Poor sleep after late device use may add to next-day tiredness. These symptoms do not by themselves identify one illness.

If tiredness continues away from screens, affects daily activities, or comes with breathlessness, paleness, thirst, fever, weight change, low mood, or sleep problems, other explanations should be considered. Anaemia, dehydration, burnout, infection, and other health conditions can all require different care.

Take frequent distance breaks and deliberately blink while reading. Adjust screen brightness and text size to a comfortable level, reduce glare, and position the display so your neck stays relaxed. Keep the screen at a sensible reading distance, vary tasks, and avoid holding a phone in one fixed posture for long periods. Drink fluids, protect sleep time, and consider an eye examination if blur, pain, or headaches continue. Preservative-free lubricating drops may help some people, but ask a pharmacist if you have eye disease or use other drops.

Seek urgent help for sudden vision loss, severe eye pain, a new curtain-like shadow, marked weakness, confusion, or a severe headache with neurological symptoms. Arrange a routine review if symptoms persist despite screen changes, one eye is consistently affected, or fatigue is present throughout the day. A clinician can check vision, sleep, medicines, mood, hydration, and possible medical causes.

Could my symptoms be caused by vision correction, dry eyes, sleep disruption, or another condition? Should I have an eye examination or blood tests? Which screen and lighting changes are most suitable for my work? What warning signs should prompt urgent care?