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To assess the efficacy of blueberry chewable tablets on Eye Health
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Placebo tablets | Placebo Comparator |
| |
| Blueberry Chewable Tablets | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Placebo tablets | Dietary Supplement | consume 2 tablets per day for 8 weeks |
| |
| Measure | Description | Time Frame |
|---|---|---|
| Changes of Schirmer's test | Schirmer's test determines whether the eye produces enough tears to keep it moist. Units: mm (in 5minutes) | 8 weeks |
| Changes of tear meniscus height | Slit lamp Ocular Surface Analyzer is utilized to measure tear meniscus height. Units: mm | 8 weeks |
| Changes of non-invasive tear break-up time (NITBUT) | Ocular Surface Analyzer is utilized to measure non-invasive tear break-up time. Units: sec | 8 weeks |
| Tear break-up time (TBUT) | Slit lamp ocular Surface Analyzer is utilized to measure fist tear break-up time with slit lamp. Units: sec | 8 weeks |
| Changes of accommodation | Speedy-I is utilized to measure the accommodative micro fluctuation test of the ciliary muscle. Units: HFC | 8 weeks |
| Ocular Surface Disease Index (OSDI) | The Ocular Surface Disease Index (OSDI) is a 12-item scale for the assessment of symptoms related to dry eye disease and their effect on vision. Units: point | 8 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Changes of eye pressure | Eye pressure is measured in millimeters of mercury (mm Hg). | 8 weeks |
| Changes of Intraocular pressure (IOP) | Eye pressure is measured in millimeters of mercury (mm Hg). Units: mmHg |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Bo-Yie Chen | Chung Shan Medical University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Chung Shan Medical University | Taichung | 402 | Taiwan |
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| Blueberry Chewable Tablets |
| Dietary Supplement |
consume 2 tablets per day for 8 weeks |
|
|
| 8 weeks |
| Changes of Near point of convergence (NPC) | RAF rule were initiated in order to normalize NPC. Record as break/recovery. Units: cm | 8 weeks |
| Changes of Stereo vision | The Randot Stereotest is utilized to evaluate the depth perception. Units: sec | 8 weeks |
| Changes of binocular motor fusion | The test is utilized to evaluate to assess binocular motor fusion, specifically the extent to which a patient can maintain binocular single vision (BSV) in the presence of increasing vergence demands. Units: prism | 8 weeks |
| Changes of Amplitude of accommodation (AA) | The amplitude of accommodation is the maximum potential increase in optical power that an eye can achieve in adjusting its focus. It refers to a certain range of object distances for which the retinal image is as sharply focused as possible. Units: diopter | 8 weeks |
| Changes of Amplitude of Flipper facility | Vergence facility (VF) was measured by using a prism flipper to evaluate the ability of the fusional vergence at near with +/-2.00 flipper. Units: cpm | 8 weeks |
| Changes of Fundus photography | The fundus is the back of the eye and includes the retina, optic nerve, and retinal blood vessels. | 8 weeks |