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Comparing ocular blood flow in ocular eye movement using leaser speckle flowgraphy.

Comparing ocular blood flow in ocular eye movement using leaser speckle flowgraphy. - Comparing ocular blood flow in ocular eye movement using leaser speckle flowgraphy.

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000043506
Enrollment
30
Registered
2021-03-03
Start date
2021-05-01
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

Healthy volunteer

Interventions

Mydriatic (tropicamide 0.4%) eye drops before measurement

Sponsors

Kitasato University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: The participant who - doesn't have ophthalmological diseases that affect blood flow measurement other than refractive error. - doesn't be diagnosed of cardiovascular disease or diabetes mellitus. - systolic blood pressure is less 150mmHg and diastolic blood pressure is less 90 mmHg. - doesn't take drugs that affect blood flow (Ca antagonists, alpha1 and beta1 blockers, PDE5 inhibitors). - has corrected visual acuity more than 0.8. - doesn't have refractive error exceeding +/-8D in spherical power or +/-2D in astigmatism. - doesn't have axial length of exceeding 26.5 mm. - has intraocular pressure of 21mmHg or less. - doesn't have history of refractive surgery.

Exclusion criteria

Exclusion criteria: The participant who - has ophthalmological diseases that affect blood flow measurement other than refractive error. - diagnosed of cardiovascular disease or diabetes mellitus. - systolic blood pressure exceeding 150 mmHg and diastolic blood pressure exceeding 90 mmHg. - Patients taking drugs that affect blood flow (Ca antagonists, alpha1 and beta1 blockers, PDE5 inhibitors). - has corrected visual acuity less than 0.8. - has refractive error exceeding +/-8D in spherical power or +/-2D in astigmatism. - has axial length exceeding 26.5 mm - has intraocular pressure of 21 mmHg or more - has patients with a history of refractive surgery.

Design outcomes

Primary

MeasureTime frame
To measure ocular blood flow during eye movement in normal eyes and to compare with previously measured data in glaucoma patients

Countries

Japan

Contacts

Public ContactKazunoei Hirasawa

Kitasato University School of Medicine Department of Ophthalmology

hirasawa@kitasato-u.ac.jp0427788464

Outcome results

None listed

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