Eye Strain Index

Featured: Eye Strain Main Article

Eye strain is a symptom caused by looking at something for a long time. Symptoms and signs include redness, light sensitivity, headaches, and blurred vision. Symptoms may be treated by closing the eyes and taking a break from the visual task.

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    • Stress Stress occurs when forces from the outside world impinge on the individual. Stress is a normal part of life. However,...learn more »
      In This Article
      Stress Article
      • Stress facts
      • What is stress?
      • A brief history of stress
      • What are the signs and symptoms of poorly managed stress?
      • Who is most vulnerable to stress?
      • Teen stress
      • What is the healthy response to stress?
      • How does the response to stress work?
      • What is the role of the hypothalamus-pituitary-adrenal (HPA) axis (grouping) in stress?
      • What is the role of the locus coeruleus in stress?
      • How do the connections in the brain work in stress?
      • What do we know about using (activating) and overusing our internal systems that respond to stress?
      • What are the effects of stress on medical and psychological conditions?
      • Conclusions about the effects of stress
      • What can people do for stress management?
      • What's in the future for stress?
    • Sleep A number of vital tasks carried out during sleep help maintain good health and enable people to function at their best. Sleep...learn more »
      In This Article
      Sleep Article
      • What is sleep?
      • What are the stages of sleep?
      • How much sleep does a person need?
      • Does the amount of sleep we need change as we age?
      • What are signs and symptoms of sleep deprivation?
      • What are and what causes sleep disorders?
      • How are sleep problems diagnosed?
      • How are sleep problems treated?
      • Sleep hygiene
      • Other therapies
      • Sleep aids (prescription and OTC)
      • Are sleep problems and disease related?
      • How can I get a good night's sleep?
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      In This Article
      Eye Care Article
      • Eye care introduction
      • What is the structure of the eye?
      • Which common disorders of the eye can (sometimes) be self-treated?
      • What common eye conditions usually require treatment by a doctor?
      • What types of OTC eye care products are there?
      • What inactive ingredients are contained in OTC eye care products?
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      In This Article
      Eyeglasses, Sunglasses, and Magnifying Glasses Article
      • Nonprescription eyeglasses
      • Trifocals and variable lenses
      • Sunglasses
      • Magnifying glasses
    • Headache Headaches can be divided into two categories: primary headaches and secondary headaches. Migraine headaches, tension headaches,...learn more »
      In This Article
      Headache Article
      • Headache facts
      • What is a headache?
      • How are headaches classified?
      • What are primary headaches?
      • What are secondary headaches?
      • What are cranial neuralgias, facial pain, and other headaches?
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      • What are the symptoms of tension headaches?
      • How are tension headaches diagnosed?
      • How are tension headaches treated?
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      • What are the symptoms of cluster headaches?
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      In This Article
      Tension Headache Article
      • Tension headache facts
      • What is a tension headache?
      • What causes tension headaches?
      • What are the symptoms of tension headache?
      • How are tension headaches diagnosed?
      • What is the treatment for tension headache?
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      • OTC drugs for tension headaches
      • Managing stress
      • Are there effective home remedies a cure for tension headache?
      • Can tension headaches be prevented?

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