Assessment of choroidal structure and circulation in normal eyes during the water drinking test

Assessment of choroidal structure and circulation in normal eyes during the water drinking test - Choroidal structure and circulation during the water drinking test

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000028959

Enrollment

Registered

2017-09-02

Start date

2017-01-20

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 disease

Interventions

Water drinking test

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 structure on EDI-OCT images with image processing	—

Secondary

Measure	Time frame
Choroidal blood flow evaluated with Laser speckle flow graphy	—

Countries

Japan

Contacts

Public ContactDaisuke Nagasato

Saneikai Tsukazaki Hospital Ophthalmology

d.nagasato@tsukazaki-eye.net079-282-8555

Outcome results

None listed

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