Dry Eye Syndrome
Dry Eye is one of the most common reasons patient may see an ophthalmologist. The tear film is an important part of the ocular surface, play an important role in eye health and vision. Symptoms of the dry eye include foreign body sensation, feeling gritty or sandy in the eyes, burning or itching, blurry vision that improves with blinking or fluctuation in vision.
Tear quality and quantity would decrease by age and study showed many people after 60s, they have some degree of dry eye. Tear osmolarity and composition of the tear will change in dry eye syndrome, in a way that there are more inflammatory mediators in the tear from dry eye patients. Eye surface inflammation is a part of dry eye, that inflammation is very mild and insidious and causes many signs and symptoms. New treatments for dry eye targets to control this inflammation, in addition to simply replacing the liquid tears. Studies show that successful treatment of dry eye increases comfort, vision and overall patients’ quality of life. In severe cases of dry eye, eyes are susceptible to infection and surface of the eye can change permanently, so timely treatment is important.
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