I feel my eyes dry

 
Woman eyes
 
 

Dry eye syndrome has many causes: it occurs as a part of the natural aging process, as a side effect of some medications or dry environment or workplace (wind, air conditioning). Another cause is insufficient blinking, such as when we’re staring at a computer screen all day.

But, always, dry eye is caused by a chronic lack of sufficient lubrication on the surface of the eye. One of the reasons is, perhaps, that you have a problem with Meibomian glands. What? What are Meibomian glands? We don’t see them, but they are located in the eyelids, near the lashes. When we blink, they excreted oil in order to prevent rapid tear evaporation. Meibomian glands dysfunction (failure of these glands) is the main cause of evaporative dry eye, because there is too little oil in the tear film.

This disorder is quite common and often goes undiagnosed; and even when diagnosed, it is not treated effectively until it has become chronic or severe. In patients with moderate meibomian gland dysfunction, oral supplementation with omega-3 fatty acids improves tear film stability, even if tear production doesn’t increase.

 

Bibliography:

Malhotra C, Singh S, Chakma P et al. Effect of Oral Omega-3 Fatty Acid Supplementation on Contrast Sensitivity in Patients With Moderate Meibomian Gland Dysfunction: A Prospective Placebo-Controlled Study. Cornea. 2015 Apr 23. [Epub ahead of print]

 
 

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