Clinical Trial: The Effect of Orally Administered Extracts of Chokeberry, Kamchatka Berry and Blueberry on the Condition of the Eye.

U.S., Feb. 4 -- ClinicalTrials.gov registry received information related to the study (NCT07382882) titled 'The Effect of Orally Administered Extracts of Chokeberry, Kamchatka Berry and Blueberry on the Condition of the Eye.' on Jan. 14.

Brief Summary: This study evaluated whether a standardized berry-extract dietary supplement (AKB; Aronia melanocarpa, Lonicera caerulea, Vaccinium myrtillus) improves visual function in adults with presbyopia. In a randomized, double-blind, placebo-controlled two-period crossover design, participants received AKB 400 mg twice daily and placebo for 6 weeks each, separated by a 5-week washout. Visual function and retinal/neuronal measures were assessed with contrast sensitivity testing, visual fields, VEP, a...