Related Experiment Video
Updated: Jun 29, 2026
09:17
Using Retinal Imaging to Study Dementia
Published on: November 6, 2017
Retinal and optic disc findings in adolescence: a population-based OCT study
Son C Huynh1, Xiu Ying Wang, George Burlutsky
1Department of Ophthalmology and Westmead Millennium Institute, Centre for Vision Research, University of Sydney, Sydney, Australia.
Investigative Ophthalmology & Visual Science
|October 3, 2008
Summary
This study analyzed eye measurements in Australian early adolescents, finding normal distributions for macular and optic nerve fiber layer thickness. Key eye parameters showed minimal sex differences and slight changes from childhood to adolescence.
Area of Science:
- Ophthalmology
- Pediatric Optometry
- Human Anatomy
Background:
- Understanding ocular development is crucial for early detection of eye conditions.
- Establishing normative data for visual parameters in children is essential for accurate diagnosis.
- Previous studies have focused on younger children, necessitating data for early adolescence.
Purpose of the Study:
- To determine the distribution of macular and peripapillary nerve fiber layer (NFL) thickness in early-adolescent Australian children.
- To measure optic disc parameters in this age group.
- To compare these findings with data from younger children.
Main Methods:
- A population-based, cross-sectional survey of 2367 Year 7 students in Sydney, Australia.
- Comprehensive eye examinations including macular and NFL thickness and optic disc measurements.
- Utilized optical coherence tomography (StratusOCT) for precise measurements.
Main Results:
- Macular, NFL thickness, and optic disc parameters were normally distributed.
- Mean macular ring thicknesses ranged from 197.4 to 271.9 µm; foveal minimum thickness was 161.6 µm.
- Average NFL thickness was 103.6 µm, with minimal sex differences observed.
Conclusions:
- This study provides normative data for macular, NFL, and optic disc parameters in early-adolescent children.
- Ocular parameters showed minimal sex-based differences.
- Key parameters remained largely consistent between early childhood and early adolescence.
Related Concept Videos
01:20Anatomy of the Eyeball
The eye is a spherical, hollow structure composed of three tissue layers. The outer layer — the fibrous tunic, comprises the sclera — a white structure — and the cornea, which is transparent. The sclera encompasses some of the ocular surface, most of which is not visible. However, the 'white of the eye' is distinctively visible in humans compared to other species. The cornea, a clear covering at the front of the eye, enables light penetration. The eye's middle layer, the vascular tunic,...
01:27Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...