The randomized duble blind parallel-group comparison test of the effect for eyestrain of the Bilberry extracts
- Conditions
- eyestrain
- Registration Number
- JPRN-UMIN000020866
- Lead Sponsor
- HUMA R&D Co.
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 120
Not provided
1, Subjects who have previous medical history and/or current medical history of serious diseases (e.g., digestive organ, liver, pancreas, heart and/or kidney). 2, Subjects who take medicines. 3, Subjects who have an eye disease. 4, Subjects who have previous medical history of drug and/or food allergy. 5, Subjects who have previous medical history and/or current medical history of drug dependence and/or drug abuse. 6, Subjects who work time is irregular. 7, Subjects who have undergone LASIK. 8, Subjects who are using the reading glasses. 9, Subjects who constantly use supplements containing bilberry extract and/or functional foods or drug affecting eyestrain. 10, Subjects who have been enrolled in the other clinical trials within about last 1 month. 11, Subjects who is during pregnancy, lactation and/or wish to become pregnant in clinical test. 12, Subjects who have taken over 200 mL of blood within the last one month prior to the current study. 13, Subjects who have been determined ineligible by principal investigator or sub-investigator.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method ear-reflex: intake 0,4,8,12 weeks
- Secondary Outcome Measures
Name Time Method Subjective symptoms: intake 0, 2, 4, 6, 8, 10, 12 weeks Eyestrain questionnaires: intake 0, 4, 8, 12 weeks Safety(blood test, urinary test, history taking):intake 0, 12 weeks