Dry eye

Have you ever experienced that dry, itchy feeling of your eyes at the end of a long day?

Dry eye syndrome is a chronic ocular disorder, and the patients either cannot produce enough tears or have poor tear quality. Dry eye syndrome is estimated to affect about 60 million Americans.

The ubiquitous use of computers and smartphones in modern life may lead to computer vision syndrome, which is associated with prolonged attention to a digital screen with decreased blink rate, eye fatigue and other repetitive strain disorder, and dry eye syndrome appears to be the major contributor of the computer vision syndrome.

It was also reported that about 20% to 50% contact lens wearers had dry eye symptoms, which could lead to reduced contact lens wearing time, and some could not wear contact lenses because of dryness symptoms.

Furthermore, dry eye syndrome was reported to be the most common complication of Laser-assisted in situ keratomileusis (LASIK) surgery, and about 30% of patients could develop post-LASIK dry eye syndrome after the surgery.

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