Normal values for central retinal thickness asymmetry in healthy Caucasians

Normal values for central retinal thickness asymmetry in healthy Caucasians, measured by Spectral-Domain optical coherence tomography (OCT) posterior pole asymmetry analysis

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

ISRCTN

Registry ID

ISRCTN09017572

Enrollment

100

Registered

2014-03-27

Start date

2014-03-01

Completion date

Unknown

Last updated

2016-10-17

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

Conditions

Retina Eye Diseases

Interventions

1. Visual acuity measured using the Snellen Chart 2. Retinal thickness and RNFL measured by Spectralis HRA+OCT's volume and circle scan mode, respectively

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Healthy volunteer 2. Caucasian 3. Age 18-45 years

Exclusion criteria

Exclusion criteria: 1. Visual acuity 1.5 D 3. Morphological changes in macula 4. Retinal nerve fiber layer (RNFL) thickness out of normal limits

Design outcomes

Primary

Measure	Time frame
1. Right eye - left eye retinal thickness asymmetry of the paired 64 cells in the posterior pole retina thickness map 2. Superior-inferior retinal thickness asymmetry of the paired 32 cells Outcome measures will be assessed at baseline.	—

Secondary

Measure	Time frame
1. Variance in asymmetry across the macula 2. Association between the temporal RNFL thickness and the mean central retinal thickness 3. Effect of age and sex on interocular asymmetry Outcome measures will be assessed at baseline.	—

Countries

Denmark

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Mar 4, 2026