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Clinical Trial Summary

With the rapid growing aging population, age-related eye diseases including cataract are becoming more prevalent. The demand for cataract surgery and post-surgical care posed enormous financial burdens to the government.

Vitamin C, also known as ascorbate, is a highly effective antioxidant which may help to protect the cells including the crystalline lens components from oxidative damage, which is believed to be one of the causes of senile cataract.

Lycium barbarum, on the other hand, contains lutein and zeaxanthin which can filter the phototoxic blue light and neutralize the reactive oxygen species, thus provide a protective effect against cataract formation.

This study aims to determine the effects of Vitamin C and Lycium barbarum Supplements on the progression of senile cataract in Hong Kong Chinese elderly.


Clinical Trial Description

n/a


Study Design

Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Outcomes Assessor), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT01142960
Study type Interventional
Source The Hong Kong Polytechnic University
Contact Chi-wai Do, PhD
Phone 27666090
Email socwdo@inet.polyu.edu.hk
Status Not yet recruiting
Phase N/A
Start date July 2010
Completion date December 2013

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