Can Dry Eye Impact Your Vision – John Hovanesian MD

Dry eye is really a condition in which you will find insufficient tears to lubricate and nourish the eye. Tears are essential for sustaining the health from the front surface from the eye and for supplying clear vision. Individuals with dry eyes either do not produce enough tears or have a poor quality of tears. Dry eye is really a typical and often chronic issue, particularly in older adults. With each blink from the eyelids, tears are spread across the front surface from the eye, known as the cornea. Tears offer lubrication, decrease the risk of eye infection, wash away foreign matter in the eye, and keep the surface from the eyes smooth and clear. Excess tears in the eyes flow into little drainage ducts, in the inner corners from the eyelids, which drain in the back from the nose. Dry eyes necessarily come from two types of tear issue. 1 is inadequate quantity of tears and poor quality of tears.

In inadequate quantity of tears the tears are produced by several glands in and about the eyelids. Tear production tends to diminish with age, with numerous medical conditions, or as a side effect of certain medicines. Environmental conditions such as wind and dry climates may also impact tear volume by growing tear evaporation. When the normal quantity of tear production decreases or tears evaporate too quickly from the eyes, symptoms of dry eye can develop. In Poor quality of tears the tears are made up of 3 layers of oil, water, and mucus. Each component serves a function in protecting and nourishing the front surface from the eye. A smooth oil layer assists to stop evaporation from the water layer, while the soft layer functions in spreading the tears evenly over the surface from the eye. If the tears evaporate too quickly or do not spread evenly over the cornea because of problems with any from the 3 tear layers, dry eye symptoms can develop.

The most typical form of dry eyes is because of an inadequate quantity of the water layer of tears. Individuals with dry eyes may experience symptoms of irritated, gritty, scratchy, or burning eyes, a feeling of something in their eyes.

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