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Evaluation of the effect of test food ingestion on eyesight

Evaluation of the effect of test food ingestion on eyesight - Evaluation of the effect of test food ingestion on eyesight

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000045940
Enrollment
50
Registered
2021-11-13
Start date
2021-12-10
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 adults

Interventions

Sponsors

Leverage Brain Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1) Male and female adult aged 20 or more and less than 65 years old 2) Subject with bilateral distant vision (unaided eye) of 0.6 or higher 3) Subject who can use electronic diary application (e-DCA) 4) Subject who received sufficient explanation about the purpose and content of the trial, had the ability to consent, volunteered to participate after understanding it well, and agreed to participate in the trial in writing.

Exclusion criteria

Exclusion criteria: 1) Subject who has serious disorders on brain, hepatic, kidney, cardiac, lung, digestive organs, blood, endocrine system, and metabolic system 2) Subject who is under medication on a steady basis or history of medication for serious disorders 3) Subject currently undergoing treatment or with digestive diseases that affect the study or have a surgical history of digestive system(except appendicectomy) 4) Subject who has ophthalmic disease, has an ophthalmic surgical history, or regularly use eye drops for treatment or prevention 5) Subject who has history of sensitivity to the ingredients of test food 6) Subject who takes medications and supplements on a daily basis *Except subject who can cancel an intake of health foods and supplements during this trial 7) Subject who is pregnant, lactating mother, or who is willing to become pregnant during this trial 8) Any candidates considered to be ineligible for enrollment due to the results of health condition questionnaire*1 9) Subject who took part in the other clinical/monitoring trial within a month before giving informed consent to take part in this trial. 10) Any candidates considered to be unsuitable for enrollment in the opinion of the principal investigator *1:Those who smoke an average of 21 or more cigarettes in a day, drink an average of more than 20g of pure alcohol in a day more than 4 days a week, often skip two or more meals a day, work shifts at night etc.

Design outcomes

Primary

MeasureTime frame
Depth perception and dynamic vision before and after the intervention of eye abuse task

Secondary

MeasureTime frame
Near vision acuity and distance vision acuity before and after the intervention of eye abuse task, and visual malaise questionnaire Eye condition questionnaire

Countries

Japan

Contacts

Public ContactShigeru Imai

Leverage Brain Inc. Clinical Trial Department

imai@levbrain.com080-7290-0404

Outcome results

None listed

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