Tired eye is another term for what is commonly known as eyestrain – when eyes feel achy, weak, or heavy due to intense use. It is not a disease, and does not require medical treatment – but it never hurts to know how to prevent it.
Tired eyes can come from any number of activities. Some of the most common include working on the computer for too long, poor lighting conditions, driving a car for prolonged periods of time, reading for long periods, or any other activity that may require the eyes to maintain intense focus for long periods of time. Other causes might be:
1. Gowriskaran et al. Asthenopia and Blink Rate Under Visual and Cognitive Loads; Optometry and Visual Science, Vol.89, No. 1, Jan 2012, page 97-104
2. Professor Neil Walsh, Bangor University Research support , 5th Oct 2012
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