eyestrain
Conditions
Interventions
Bilberry extract 240mg/day, 12weeks
Placebo, 12weeks
Sponsors
HUMA R&D Co.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1, Aged=>20 years,Male and female 2, Japanese male and female 3, PC work or driving 5 hours or more a day 4, Visual acuity with the naked eyes is 0.1 or more
Exclusion criteria
Exclusion criteria: 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.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Near-reflex: intake 0,4,8,12 weeks | — |
Secondary
| Measure | Time frame |
|---|---|
| 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 | — |
Countries
Japan
Contacts
Public ContactMarie Kosehira
Omnica Co.,Ltd Research team
Outcome results
None listed