Eyestrain causes a dull aching sensation around and behind the eyes that can expand into a generalised headache. It may feel painful or difficult to focus the eyes. Eyestrain is commonly the result of overuse of the eyes or wearing improper lenses (wearing the wrong strength or improperly made glasses).
Tips for preventing eye strain:
Take a vitamin A supplement – read instructions on the label.
Take a Vitamin B complex supplement containing at least 100mg of each B vitamin. Use as directed on label.
Take eyebright in capsule or tea form or use a good natural eye cream containing eyebright.
If you have pain, lie down, close your eyes and place a cold compress on your eyes. Relax for 10 minutes changing the compress as required. The cold shrinks the swollen blood vessels and alleviates discomfort.
Take measures to avoid eyestrain. Vary your tasks so your eyes change focusing distances often. When doing close focus work for long periods take regular breaks where you just shut your eyes. Every 20 minutes or so look away from your work and focus on something else for a minute or two.
If you work with computers for long periods of time, take a 5 or 10 minute break every hour. Focus on distant objects as often s possible. Position the computer monitor to reduce glare from all light sources. Use a glare reduction filter.
Get sufficient sleep. Fatigue promotes eyestrain.
If pain is severe and comes on suddenly and especially if vision is disturbed or the pain is accompanied by nausea and vomiting seek professional help at once. This may be a sign of an acute glaucoma attack.