Healthy adults
Conditions
Interventions
intake one tablet of test food once daily, for 12 weeks
intake one tablet of placebo food once daily, for 12 weeks
Sponsors
IMEQRD Co. Ltd.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Age: 20-60 years old 2. Healthy men or women 3. Individuals who feel difficulty seeing nearby objects or reading small text 4. Uncorrected or corrected visual acuity of 1.0 or higher in both eyes 5. No subjective symptoms of dry eye 6. Able to attend visits wearing glasses instead of contact lenses (soft or hard) on the day of the visit 7. Non-smokers (have not smoked for at least one year) 8. Capable of entering data into an electronic diary using a smartphone or PC 9. Individuals who have received sufficient explanation about the study's purpose and content, fully understand it, voluntarily wish to participate, and provide written informed consent
Exclusion criteria
Exclusion criteria: 1. Individuals currently undergoing treatment for any disease with medication or herbal remedies (as-needed use permitted) 2. Individuals under dietary or exercise therapy supervised by a physician 3. Individuals who have a history of or currently have a severe diseases 4. Individuals who have a history of or currently have a organic ophthalmic diseases other than refractive errors, or those with a history of refractive correction surgery or intraocular surgery 5. Individuals taking or using medications (including eye drops) or supplements that may affect test results (e.g., those claiming to improve visual function or affecting pupil diameter/function), unless they can discontinue use during the study period (starting one week prior to screening). 6. Individuals who routinely use hot eye masks or similar care products 7. Individuals who habitually consume fruits (including processed food such as fruit jam) or vegetable/fruit juices (including green juice) more than twice a week, unless they can discontinue consumption during the study period (starting one week prior to screening). 8. Individuals with potential allergic reactions to the investigational food or its ingredients 9. Individuals working night shifts or rotating shifts 10. Individuals planning significant lifestyle changes (diet, sleep, exercise, etc.) during the study period 11. Individuals planning overseas travel during the study period 12. Pregnant or breastfeeding individuals, or those planning to become pregnant during the study period 13. Individuals who participated in another clinical study within one month prior to consent or are currently participating, or planning to participate during the study period 14. Individuals deemed unsuitable for participation by the principal investigator or study director
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Accommodation amplitude | — |
Secondary
| Measure | Time frame |
|---|---|
| Near visual acuity, Near point distance, Morphological measurement by Anterior segment OCT, Questionnaire survey, Pupil diameter | — |
Countries
Japan
Contacts
Public ContactYoshitada Hira
IMEQRD Co., Ltd. Planning and Sales Department
Outcome results
None listed