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Testing your Knowledge on Dry Eyes

Testing your Knowledge on Dry Eyes

20 Feb, 2021
Testing your Knowledge on Dry Eyes

When the drier weather sets in, the problem of dry eyes comes alive. Other factors like long hours spent on the computers or other digital screens, pollution etc add on to the situation and make it worse. The patrons who visit the optical store in Port Louis make this complaint often, from time to time.

How Dry Eyes Occur?

This situation develops when fewer tears are produced by the mechanism of the eye or when the tears evaporate too soon. The surface of the eye which carries the moisture consists of three interrelated layers which is called the tear film. As stated by the optometrists at the sunglasses shop in Mauritius, when there is an imbalance in this film, the situation of dry eyes arises. The layer which lies in the most internal part is a mucous layer consisting of electrolytes, proteins and water. After that, lies the watery aqueous layer which is alkaline in nature. The outer layer is the lipid layer which is made of oily meibum. It prevents the tear film from evaporating.

Why Dry Eyes Develop?

When the tear film reduces then dry eyes set in. People who blink less while working on computers get this condition. The act of involuntary blinking acts as a pumping mechanism to help the tear film have an even distribution over the eyes. The experts at the optical store in Port Louis explain that the tear film starts degrading by itself after around 10 seconds. The eye will automatically blink around 10 – 12 times in a minute. When focusing on the computer, the rate decreases. The eyes become tired as well.

This condition is inflammatory and ‘vicious cycle of inflammation’ is a perfect cause for dry eyes to set in. Aging is also a cause which promotes setting in of this condition. As observed by the professionals at the sunglasses shop in Mauritius, women have this condition due to the fluctuation in their levels of hormones.

There are various environmental causes which also promotes the situation of dry eyes. Smoking, side effects of certain medicines also can be responsible.    

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