Tag: symptoms of dry eye syndrome

Dry Eye Syndrome – Most Common Eye Disease

There are many eye diseases in the world but the most common eye disease is Dry Eye Syndrome.

Dry Eye Syndrome Definition

Dry Eye Syndrome is a common disease of the tear film; it affects most of the population older than 40 years of age. The 25-30 million of people are affected due to this disease in United States.

This disease is more common in Women than in men.

A thin layer of tears help to keep Eye and vision comfortable. This layer of tears is made up of 3 layers:

The inner most layer is the thinnest and it is a layer of Mucus. Mucus helps keep a watery layer over the Eye.

The middle layer is thick. This layer is a Salt-Water solution. This layer keeps the Eye moist, comfortable; it also drains out the Dust in the Eye.

The upper layer is a thin layer of Lipids. Lipids consist of fats and oil. The function of this layer is to decrease the evaporation of Watery layer.

Read more