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Posted on Jan 08, 2015, 6 a.m.
Consuming blueberries may help you to recover normal vision after sudden exposure to bright light.
Abundant in anthocyanins, an antioxidant compound, blueberries have suggested by a number of published studies to help improve vision. Wilhelmina Kalt, from the Food and Horticulture Research Centre (Canada), and colleagues investigated the effects of blueberry anthocyanins on dark adaptation, functional night vision, and vision recovery after sudden exposure to bright light (retinal photobleaching). While a blueberry-supplemented diet did not help with dark adaptation or night vision, anthocyanin consumption did hasten the recovery of visual acuity after photobleaching.
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Kalt W, McDonald JE, Fillmore SA, Tremblay F. "Blueberry effects on dark vision and recovery after photobleaching: placebo-controlled crossover studies.” J Agric Food Chem. 2014 Nov 19;62(46):11180-9.
