Skip to content

Effects of intake of the test food on eye functions: A randomized double-blind placebo-controlled trial

Effects of intake of the test food on eye functions: A randomized double-blind placebo-controlled trial - Effects of intake of the test food on eye functions

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000043090
Enrollment
60
Registered
2022-04-15
Start date
2021-01-25
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Healthy Japanese subjects

Interventions

Ingestion of study food 1 for 6 weeks Ingestion of control food (placebo) substance for 6 weeks

Sponsors

Miura Clinic, Medical Corporation Kanonkai
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: (1) Subjects of men and women aged 20 to 64 (2) Subjects of Japanese nationality who tend to feel tired eyes who perform VDT work on a daily basis (3)Subjects with binocular corrected visual acuity of 1.0 or higher (4) Subjects who do not change contact lenses or glasses used for correction during the test period (5) Subjects who received sufficient explanation about the purpose and content of the test, had the ability to consent, voluntarily volunteered to participate after understanding it well, and agreed to participate in the test in writing.

Exclusion criteria

Exclusion criteria: (1) Subjects with a history of diabetes, liver disease, renal disease, digestive system disease, heart disease, respiratory disease, peripheral angiopathy, and other diseases that may affect the results of this study, or surgical history A subject (2) Subjects with a disease or surgery history of eye (3) Subjects undergoing ophthalmic treatment and using ophthalmic medications (4) Subjects with abnormal liver and renal function tests (5)Subjects with diseases currently being treated (6) Subjects with food and drug allergies (7) Subjects with anemia symptoms (8) Subjects playing intense sports and on a diet (9) Subjects with irregular lives (10) Subjects who cannot stop taking health foods (including foods for specified health use and foods with functional claims) and quasi-drugs during the test period (11) Subjects who are continuously taking medicines (including OTC and prescription medicines) (12) Subjects who are excessively ingesting alcohol (13) Subjects who cannot stop drinking from the day before the test to the day of the test (14) Subjects who are pregnant or plan to become pregnant or breastfeed during the study period (15) Subjects who are participating in or will participate in other clinical trials at the start of this study, and within 4 weeks after the end of the study. (16) Other subjects judged by the investigator to be inappropriate

Design outcomes

Primary

MeasureTime frame
Visual acuity

Secondary

MeasureTime frame
Percentage of pupillary response Functional visual acuity Visual analogue scale

Countries

Japan

Contacts

Public ContactMakoto Terashima

Oneness Support Co., Ltd. Clinical Trial Division

mterashima@oneness-sup.co.jp0648018917

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026