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High-resolution optical coherence tomography visualization of LASIK flap displacement
Camila Haydée Rosas Salaroli1, Yan Li, David Huang
1Center for Ophthalmic Optics and Lasers, Doheny Eye Institute and Department of Ophthalmology, Keck School of Medicine of the University of Southern California, Los Angeles, California, USA.
Journal of Cataract and Refractive Surgery
|August 18, 2009
Summary
Laser vision correction (LASIK) can have complications like flap striae. High-resolution Fourier-domain optical coherence tomography (FD-OCT) effectively visualized and managed a subtle flap gap missed by standard examination.
Area of Science:
- Ophthalmology
- Refractive Surgery
- Corneal Imaging
Background:
- Laser in situ keratomileusis (LASIK) is a common refractive surgery procedure for myopia correction.
- Post-LASIK flap complications, such as striae, can lead to irregular astigmatism and visual disturbances.
- Accurate detection of flap-related issues is crucial for successful visual outcomes.
Observation:
- A 33-year-old woman developed flap striae in her left eye two weeks after uneventful myopic LASIK.
- Biomicroscopy did not detect a gap at the temporal flap margin.
- Fourier-domain optical coherence tomography (FD-OCT) revealed a temporal flap gap not visible with biomicroscopy.
Findings:
- Relifting and repositioning the LASIK flap resolved the irregular astigmatism and reduced striae.
- FD-OCT confirmed the closure of the temporal flap gap after repositioning.
- High-resolution FD-OCT proved valuable in identifying and managing the flap displacement.
Implications:
- FD-OCT offers superior visualization of LASIK flap morphology compared to traditional methods.
- This technology aids in the early detection and effective management of subtle post-LASIK flap complications.
- Integrating advanced imaging like FD-OCT can improve patient outcomes in refractive surgery.
