Thursday 28 November 2013

Glaucoma Preventions – The Diet

Glaucoma is a medical condition of an eye disease as result of the damage of the nerve of eye’s optic over time. If left untreated, it can lead to permanently vision impair and blindness.
V. Preventions
B. Diet to prevent Glaucoma
1. Flax seed
In the study to determine whether there is an association between dietary omega-3 (omega-3) fatty acid intake, age, and intraocular pressure (IOP) caused by altered aqueous outflow, found that increasing dietary omega-3 reduces IOP with age because of increased outflow facility, likely resulting from an increase in docosanoids. This indicates that dietary manipulation may provide a modifiable factor for IOP regulation. However, further studies are needed to consider whether this can modify the risk for glaucoma and can play a role in treatment of the disease(44).
2. Cod liver oil
According to the study by the State Key Laboratory of Ophthalmology, Sun Yat-sen University, cod liver oil, as a combination of vitamin A and omega-3 fatty acids, should be beneficial for the treatment of glaucoma. However, further studies are needed to explore the relationship between cod liver oil and glaucoma(45).
3. Green tea
Epigallocatechin-gallate (EGCG) is a powerful antioxidant with suggested neuroprotective action found abundantly inj Green tea. In the study to evaluate the effect of short-term supplementation of EGCG on inner retinal function in ocular hypertension (OHT) and open-angle glaucoma (OAG), showed that although this study cannot provide evidence for long-term benefit of EGCG supplementation in OAG, and the observed effect is small, the results suggest that EGCG might favourably influence inner retinal function in eyes with early to moderately advanced glaucomatous damage(46).
4. Blackcurrant
Cataracts, glaucoma, and age-related macular degeneration (AMD) are common causes of blindness in the elderly population of the United States. According to the study by the Sapporo Medical University School of Medicine, Upon administration of BCACs, the ocular blood flows during the 24-month observational period increased in comparison with placebo-treated patients. However, no significant changes were observed in systemic and ocular conditions including IOP during the 24-month period. Oral administration of BCACs may be a safe and promising supplement for patients with OAG in addition to antiglaucoma medication(47).
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Sources
(a) tp://www.glaucoma.org/glaucoma/types-of-glaucoma.php
(44) http://www.ncbi.nlm.nih.gov/pubmed/17251475
(45) http://www.ncbi.nlm.nih.gov/pubmed/22553738
(46) http://www.ncbi.nlm.nih.gov/pubmed/19290537
(47) http://www.ncbi.nlm.nih.gov/pubmed/22377796

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