Assessment of Choroidal Structure and Circulation during a single administration of coffee in healthy subjects.

Assessment of Choroidal Structure and Circulation during a single administration of coffee in healthy subjects. - Choroidal Structure and Circulation during a single administration of coffee

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000028968

Enrollment

Registered

2017-09-05

Start date

2017-01-10

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

Retinal and Choroidal disorder

Interventions

a single administration of coffee a single administration of water

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: non-smoking individuals with no ophthalmic or systemic disorders.

Exclusion criteria

Exclusion criteria: an age of <18 years or >60 years. high myopia defined as a refractive error (spherical equivalent) greater than -6.0 diopters or an axial length of >26.5 mm, poor quality EDI-OCT image defined as an image index of <30, abnormal EDI-OCT findings, and previous ocular surgeries.

Design outcomes

Primary

Measure	Time frame
Choroidal luminal area, stromal areas and circulation.	—

Countries

Japan

Contacts

Public ContactNagasato Nagasato

Saneikai Tsukazaki Hospital Ophthalmology

d.nagasato@tsukazaki-eye.net079-272-8555

Outcome results

None listed

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