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Eye Care

How Tear Hyperosmolarity and Other Factors Cause Dry Eye

CAUSES OF DRY EYE

How Tear Hyperosmolarity and Other Factors Cause Dry Eye

One of the primary causes of chronic dry eye disease is tear hyperosmolarity. The Definition and Classification Subcommittee of the 2007 International Dry Eye Workshop defines dry eye disease as “a multifactorial disease of the tears and ocular surface that results in symptoms of discomfort, visual disturbance, and tear film instability with potential damage to the ocular surface. It is accompanied by increased osmolarity of the tear film and inflammation of the ocular surface.” Given its mention in the official definition of dry eye, tear hyperosmolarity is clearly an underlying factor in the development of the disease. In basic terms,...

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What is Meibomian Gland Dysfunction?

ABOUT DRY EYE

What is Meibomian Gland Dysfunction?

Meibomian Gland Dysfunction (MGD) is one of the most common diseases of the meibomian glands found on the eyelid. Unfortunately, its prevalence is only increasing. According to this article from the US National Library of Medicine, MGD is defined as “inflammation, hypersecretion, and abnormal excreta of the meibomian glands,” which are small, oil-secreting glands found on the eyelid. The oil from the meibomian glands help to retain normal levels of tear film stability on the eyelid. As these glands become obstructed, symptoms of MGD begin to compound and typically lead to the development of chronic dry eye disease. Because the...

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What You Need to Know About Chronic Dry Eye

ABOUT DRY EYE

What You Need to Know About Chronic Dry Eye

Chronic Dry Eye Disease is a condition of the eye in which an insufficient amount of tears are produced, or the quality of the tears produced is poor and they evaporate too quickly. The result? Dry, itchy, burning eyes! Unfortunately, millions of people around the world suffer from chronic dry eye. And, given the nature and definition of a chronic disease, it is an incurable condition. However, with the right products and care, chronic dry eye disease can be easily managed and tolerated. Chronic Dry Eye can be caused by a number of different factors, which stem from two conditions:...

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