Ganglion cell layer (GCL) thickness in Thai healthy eyes using Spectral-Domain optical coherence tomography (SD-OCT)

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

TCTR

Registry ID

TCTR20190919002

Enrollment

300

Registered

2019-09-19

Start date

2019-09-01

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

Currently&#44

Interventions

SD&#45

OCT

Experimental Device

Retinal macular thickness by SD&#45

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: 1) Aged, 18 years old and over 2) Best-corrected visual acuity >/= 6/12 3) Spherical refractive error of less than 6.0 diopters and/or cylindrical refractive error of less than 3.0 diopters 4) Intraocular pressure </= 21 mmHg 5) Optic disc cupping </= 0.4

Exclusion criteria

Exclusion criteria: 1) Previous/ current ocular condition involving retina, macula, or optic nerve (including glaucoma) 2) History of ocular injuries 3) History of intraocular surgeries 4) History of retinal laser photocoagulation

Design outcomes

Primary

Measure	Time frame
Macular ganglion cell thickness from SD-OCT Cross-sectional (one-time) SD-OCT	—

Secondary

Measure	Time frame
Correlation of age, gender, and axial length to macular ganglion cell thickness Cross-sectional (one-time) SD-OCT, Axial length	—

Countries

Thailand

Contacts

Public ContactSusama Chokesuwattanaskul

Chiang Mai University

dr.yin.susama@gmail.com(66)0877179648

Outcome results

None listed

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

Ganglion cell layer (GCL) thickness in Thai healthy eyes using Spectral&#45;Domain optical coherence tomography (SD&#45;OCT)