The pilot study of globe position on measured ocular parameters in wide-field fundus photography with stereographic projection correction

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20220602007

Enrollment

Registered

2022-06-02

Start date

2021-11-01

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

The pilot study of globe position on measured ocular parameters in wide-field fundus photography with stereographic projection correction globe position wide-field fundus photography stereographic projection correction

Interventions

Axial length between 22.0-24.9 mm.,Axial length between 25.0-28.0 mm.,Axial length more than 28.0 mm

Device Feasibility,Device Feasibility,Device Feasibility

AL 22.0-24.9 mm,AL 25.0-28.0 mm,AL 28.0+ mm

Eligibility

Sex/Gender

All

Age

18 Years to 45 Years

Inclusion criteria

Inclusion criteria: 18-45 years Axial length > 22 mm.

Exclusion criteria

Exclusion criteria: VA < 20/30 or 6/9

Design outcomes

Primary

Measure	Time frame
Mean difference of the distance in each globe direction compared to primary position value at first visit Optos wide-field fundus camera	—

Secondary

Measure	Time frame
Mean difference of the distance and angle in each group of axial length at first visit Optos wide-field fundus camera,Mean difference of the angle in each globe direction compared to primary position value at first visit Optos wide-field fundus camera	—

Countries

Thailand

Contacts

Public ContactSupalert Prakhunhungsit

Faculty of Medicine Siriraj Hospital, Mahidol University

off_sp25@hotmail.com024198037

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026