The effect of the supplementary capsule containing lutein on visual function in college student athletes

The effect of the supplementary capsule containing lutein on visual function in college student athletes - The effect of lutein on visual function

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045933

Enrollment

Registered

2021-11-01

Start date

2021-11-01

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

None listed

Interventions

The test food will be eaten for 35 days, and the visual function tests will be conducted before and after the ingestion. The placebo food will be eaten for 35 days, and the visual function tests will

Eligibility

Sex/Gender

Male

Inclusion criteria

Inclusion criteria: A subject who is a male college student and belongs to the sports club of the college. A subject who is healthy and has not a food allergy and/or a drug allergy. A subject who does not plan to change his/her vision correction method. A subject who does/has not take/taken a drug and/or functional food which affects the test result during the current study period. A subject who has not been participating or is planning to participate in the other study at the start of the current study.

Exclusion criteria

Exclusion criteria: A subject who cannot observe the precautions regarding the intake of other supplement, the diet and the lifestyle, etc.

Design outcomes

Primary

Measure	Time frame
Kinetic Visual Acuity	—

Secondary

Measure	Time frame
Depth Perception Static Visual Acuity Questionnaire	—

Countries

Japan

Contacts

Public ContactYoshimitsu Kohmura

Juntendo University Faculty of Health and Sports Science

ykoumura@juntendo.ac.jp0476-98-1001

Outcome results