Besides the real-time protection shield that monitors the installed applications continuously, the firewall does a good job keeping a close eye on every connection established on the system, to block unauthorized access attempts. Not too heavy on system resource, the antivirus carries out quick scans in just a few minutes, but the full scans may take a lot of time, depending on the size of the disks and on the number of files stored on the computer. Sometimes getting rid of the infection or inflammation can help to improve your dry eye. Your tear film may also be affected by: some drugs, like antihistamines or oral contraceptives contact lenses, which can make you more at risk you should follow the advice for wearing and looking after them very carefully other health problems, such as rheumatoid arthritis Sjogren's syndrome, which may cause you to have dry eye and a dry mouth or vagina surgery or an accident which affects or scars your eye, although this usually improves once the eye has healed an infection or inflammation of any of the glands around your eye, or an infection of the eye lash roots (called blepharitis). The various glands in your eye that produce the three layers of the tear film become less effective, so the quality of your tear film is affected as you get older. As you get older your eyelids are less effective at spreading the tears each time you blink. Dry eye is usually a natural symptom of getting older.
If you don't produce enough tears, if your tears aren't of the right quality or your tears aren't spread across the front of your eye properly then you may develop dry eye.
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