Publications by authors named "Julia Foust"
New Directions for Ophthalmic OCT - Handhelds, Surgery, and Robotics.
Transl Vis Sci Technol
January 2025
The introduction of optical coherence tomography (OCT) in the 1990s revolutionized diagnostic ophthalmic imaging. Initially, OCT's role was primarily in the adult ambulatory ophthalmic clinics. Subsequent advances in handheld form factors, integration into surgical microscopes, and robotic assistance have expanded OCT's utility and impact outside of its initial environment in the adult outpatient ophthalmic clinic.
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- The study introduces a new method for 3D surface imaging that combines synthetic wavelength phase-based ranging and line-scan off-axis holography.
- The system uses a faster tunable laser for quick wavelength switching and a galvanometer mirror for mechanical scanning, allowing for precise depth measurements.
- Results show the system achieves micron-level depth accuracy over a field of view of 12.8 mm × 34 mm with a rapid image acquisition time of just 50 ms.