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Updated: Jun 27, 2026
10:46
Doppler Optical Coherence Tomography of Retinal Circulation
Published on: September 18, 2012
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Quantitative measurement using panretinal optical coherence tomography with three-dimensional curve distortion
Yakub A Bayhaqi1, Shuibin Ni1, Ringo Ng1
1Casey Eye Institute, Oregon Health & Science University, Portland, Oregon, USA.
Biomedical Optics Express
|December 10, 2025
Summary
A new curve correction method improves the accuracy of widefield retinal imaging using Panretinal optical coherence tomography (PanOCT). This technique enhances geometric fidelity, enabling precise measurements for clinical and research applications.
Area of Science:
- Ophthalmology
- Medical Imaging
- Biomedical Engineering
Background:
- Panretinal optical coherence tomography (PanOCT) offers widefield retinal imaging up to 140°.
- Raw PanOCT B-scan images suffer from curvature distortion, hindering quantitative accuracy.
Purpose of the Study:
- To develop and validate a curve correction method for PanOCT B-scan images.
- To restore geometric fidelity and improve quantitative accuracy in widefield retinal imaging.
Main Methods:
- A novel curve correction algorithm was developed for PanOCT images.
- Validation was performed using a 3D-printed eye phantom.
- Clinical comparisons were made against Computed Tomography (CT) and ultrasound imaging.
Main Results:
- The curve correction method achieved average relative errors under 1% in phantom validation.
- Clinical comparisons showed minimal errors of 2.78% with CT and 5.97% with ultrasound.
- The corrected images demonstrated strong agreement with standard imaging modalities.
Conclusions:
- The developed curve correction method effectively restores geometric fidelity to PanOCT images.
- This technique supports the accurate measurement of widefield retinal structures.
- PanOCT, with this correction, is a valuable tool for clinical and research ophthalmology.
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