Visualization of 3-D high speed ultrahigh resolution optical coherence tomographic data identifies structures visible...

Area of Science:

• Ophthalmology
• Medical Imaging
• Anatomy

Background:

• Optical coherence tomography (OCT) provides detailed cross-sectional views of ocular structures.
• However, the precise identity of certain objects visualized in OCT slices remains unclear.
• 3D reconstruction offers a potential method for identifying these structures.

Purpose of the Study:

• To reconstruct and identify previously unidentified structures observed in OCT images.
• To utilize C-mode imaging to visualize and characterize these structures in three dimensions.

Main Methods:

• Employed 3D reconstruction techniques on OCT data.
• Utilized C-mode imaging to trace and visualize structures within OCT slices.
• Analyzed the 3D morphology of identified structures.

Main Results:

• Identified mottling in optic disc OCT slices as laminar pores.
• Visualized and identified white spots/streaks in corneal OCT slices as radial corneal nerves.
• Identified white spots in high-resolution retinal OCT slices as blood within capillaries.

Conclusions:

• 3D reconstruction and C-mode contour-corrected imaging are effective for identifying unknown ocular structures in OCT.
• This technique clarifies the nature of previously ambiguous findings in the optic disc, cornea, and retina.