Intake of EPA and DHA is associated with lower risk of glaucoma

 
DHA-EPA-glaucoma
 
 

Glaucoma is a group of disorders that damage the eye’s optic nerve (a nerve vital to good vision, because it connects the eye to the brain, where the light signals are translated into images), and can result in vision loss; this damage is often caused by an abnormally high pressure in the eye. Glaucoma can develop in one or both eyes.
Glaucoma is one of the leading causes of blindness, and can occur at any age but is more common in older adults. Because of the rapid increase in aging populations worldwide, it is estimated that the number of people with glaucoma worldwide will increase to 111.8 million in 2040.
The most common form of glaucoma, open-angle glaucoma, has no symptoms: it causes no pain, and vision stays normal. The first sign is often a loss of peripheral vision (the part of our vision that is outside the centre of our gaze), and the effect («to be looking through a tunnel») is so gradual that changes may pass unnoticed until glaucoma is at an advanced stage. There is no cure for this disorder, and vision lost cannot be recovered; so, it’s important to have regular eye exams: early detection and treatment can prevent (or slow) vision loss.
High levels of daily dietary intake of EPA and DHA have been associated with significantly lower odds of having glaucoma; so, increasing dietary omega-3 consumption could be protective against glaucoma.

 

Bibliography:

Wang YE, Tseng VL, Yu F, et al. Association of Dietary Fatty Acid Intake With Glaucoma in the United States. JAMA Ophthalmol. 2017 Dec 21. [Epub ahead of print] https://www.ncbi.nlm.nih.gov/pubmed/29270632

Facts About Glaucoma [Internet]. National Eye Institute Office of Science Communications, Public Liaison, and Education, USA [Last reviewed: September 2015; Cited January 15, 2018]. Available from: https://nei.nih.gov/health/glaucoma/glaucoma_facts

Glaucoma [Internet]. Mayo Foundation for Medical Education and Research, USA [Last reviewed: September 2015; Cited January 15, 2018]. Available from: https://www.mayoclinic.org/diseases-conditions/glaucoma/symptoms-causes/syc-20372839

Tham YC, Li X, Wong TY, et al. Global prevalence of glaucoma and projections of glaucoma burden through 2040: a systematic review and meta-analysis. Ophthalmology. 2014;121(11):2081-90.http://www.aaojournal.org/article/S0161-6420(14)00433-3/fulltext

 
 

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