11.   Eye strain, light-headedness and a Costas-intolerance are all common symptoms.

12.   Failure to heed this advice may cause eye strain.

13.   I expect eye strain from trying to complete my federal income tax form.

14.   It shows how to avoid wrist injury and reduce eye strain.

15.   It was the so-called good wages that kept the women in Silicon Valley despite eye strain and repetitive stress injury.

16.   Remember eye strain, command lines, tape recorders and cassettes for data storage and archaic machine symbols?

17.   Subsequent clinical trials confirmed that bilberry extract improves night vision in air traffic controllers, pilots and automobile drivers, and also reduces eye strain and fatigue.

18.   There is no doubt that we do watch too much TV, and that most of it is not worth the eye strain.

19.   They consume less power, weigh just a few pounds and have noticeably less flicker, and thus produce less eye strain, than their CRT cousins.

20.   This not only eases some of the stress on fingers, hands, and arms, it also prevents eye strain.