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To Study the Effects of Cordyceps Cicadae on Vision Care

Myopia Clinical Trial

Official title:
To Study the Effects of Cordyceps Cicadae on Vision Care

Clinical Trial Summary

Cordyceps cicadae is a traditional Asian herbal medicine with a variety of bioactive substances and curative effects similar to Cordyceps Cicadae, and it has been reported that anti-dry eye and eye protection ingredients can be extracted. With the advancement of civilization, the number of patients with high myopia is increasing year by year and suffers from complications of dry eye or other eye diseases. In this study, the subjects were provided with cicadae extract or placebo in a double-blind manner, tracked the degree of visual fatigue by regular questionnaires, and measured for visual acuity, axial length and diopter. The purpose of this study is to investigate the effect of cicadae extract on visual acuity and visual fatigue, and to evaluate its potential as a health food ingredient.

Clinical Trial Description

1. Visual acuity measurement: Snellen's Chart was used to measure visual acuity. 2. Refractive examination: Measure binocular refraction with Open Field computer refractor (Shin-Nippon Nvision K5001 Wide View). 3. Measuring the axial length of the eye: Use the multifunctional optical eyeball length measuring instrument (Lenstar) to measure the distance from the instrument to the optical paths such as the cornea, lens, and retina, and then convert to the axial length of the eye. 4. Corneal radian measurement: Use a keratometer (Bausch & Lomb Keratometer) to measure the corneal radian and curvature, and estimate the degree of corneal astigmatism. 5. Visual fatigue questionnaire survey: A visual fatigue scale questionnaire was designed using Ocular Surface Disease Index (OSDI) and Computer Vision Syndrome (CVS). ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05778409
Study type Interventional
Source China Medical University Hospital
Contact Hui-Wen Lin, Ph.D
Phone 04-23323456
Email d9138001@gmail.com
Status Recruiting
Phase Early Phase 1
Start date March 8, 2023
Completion date December 15, 2023
View Details
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