The effects of 2 types of lutein supplements on macular pigment and visual functions
Not Applicable
- Conditions
- Macular degeneration
- Registration Number
- JPRN-UMIN000004593
- Lead Sponsor
- Seirei Hamamatsu General Hospital (Shizuoka Prefecture)
- Brief Summary
The mean serum lutein concentrations increased significantly after the first three months, but the mean MPOD levels in either supplement group did not show any statistically significant increase.
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 36
Inclusion Criteria
Not provided
Exclusion Criteria
Presence of cataract of a severity sufficient to affect the measurement of macular pigment Pupil size less than 6.5 mm Judged by the investigator to be ineligible for other reasons
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Macular pigment optical density
- Secondary Outcome Measures
Name Time Method 1.Change in far and near visual acuity 2.Change in contrast sensitivity and glare-recovery testing 3.Change in response of macular electroretinogram 4.Change in plasma lutein concentration