Optic sheath diameter and positional change

Optic sheath diameter in response to positional change: MRI study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1030220381

Enrollment

Registered

2022-10-16

Start date

2022-10-16

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

Patients without orbital lesions, intracranial space-occupying lesions, or hydrocephales Optic sheath, Optic sheath diameter, Positional change

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. The orbital structures are intact 2. The optic sheath and nerve are anatomically intact 3. There are no intracranial space-occupying lesions 4. A written informed consent was obtained

Exclusion criteria

Exclusion criteria: 1. Examinations for a trauma 2. An intraocular lesion responsible for visual dysfunction is suspected 3. Fully understanding for the study was thought not to not gain

Design outcomes

Primary

Measure	Time frame
Change of the outer diameter in response to positional change	—

Contacts

Public ContactSatoshi Tsutsumi

Juntendo University Urayasu Hospital

shotaro@juntendo-urayasu.jp+81-47-353-3111

Outcome results