Evaluation of axial length requiring adjustment for ocular magnification in circumpapirally retinal nerve fiber layer measurement

Evaluation of axial length requiring adjustment for ocular magnification in circumpapirally retinal nerve fiber layer measurement - Evaluation of axial length requiring adjustment for ocular magnification

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013248

Enrollment

150

Registered

2014-02-24

Start date

2012-05-30

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 young participants

Interventions

control group which the difference of total cpRNFL thickness with and without adjustment was within the range of the measurement error. thinner group which total cpRNFL thickness with adjustment was t

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: The participants who had a corrected visual acuity of 20/20 or better, intraocular pressure of 21 mmHg or less, a normal optic disc, and no funds diseases were included.

Exclusion criteria

Exclusion criteria: Imaging results, which had image quality of 70 or less and the lack or deviation of OCT line images after examination, were excluded.

Design outcomes

Primary

Measure	Time frame
Measurement error value correlation between axial length and cpRNFL thickness cut-off value for axial length requiring adjustment for ocular magnification	—

Countries

Japan

Contacts

Public ContactKazunori Hirasawa

Graduate school of Medical Science, Kitasato University Ophthalmology

hirasawa@kitasato-u.ac.jp+81-42-778-8464

Outcome results

None listed

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