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一名国外医生的建议，顺便学习点医学英语，哈哈。
People come to my clinic with a range of problems, but when I examine them I find that about 80 per cent have dry-eye syndrome. Their eyes feel uncomfortable and gritty because they are not producing enough tears or their tears are drying up too rapidly. On examination you can see that their eyes are red and inflamed.
These days almost everything we do is screen-based, which has an effect on the eyes. There is no evidence that working at a screen damages your sight, but it certainly causes eye dryness. This is because when we're looking at the screen we blink less and provide less lubrication to our eyeball. The problem particularly affects people who wear contact lens,and it is especially bad at this time of year, when office heating can make us dehydrated.
If you get dry, sore or itchy eyes, do not rub them. This may provide temporary relief, but the friction and heat caused has been linked to a condition called keratoconus, when the cornea becomes misshapen. In severe cases keratoconus can cause vision loss. Much better, if you have uncomfortable eyes, is to use lubricating eye drops, such as Systane (available from opticians).
Even better, make a conscious effort to blink while you're looking at the computer screen, and try to look away from the screen for a few seconds every five minutes. Drink lots of water - not just tea or coffee - throughout the day to prevent deyhydration.
And if you get sore or dry eyes regularly, visit an optician to check that there isn't some underlying cause. Remember that if you use computers at work, you are entitled to free eye tests at regular intervals, paid for by your employer.
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