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IOL tilt and decentration estimation from 3 dimensional reconstruction of OCT image
- Source :
- PLoS ONE, Vol 8, Iss 3, p e59109 (2013), PLoS ONE
- Publication Year :
- 2013
- Publisher :
- Public Library of Science (PLoS), 2013.
-
Abstract
- PURPOSE: To evaluate intraocular lens (IOL) tilt and decentration by anterior segment optical coherence tomography (AS-OCT) using 3-dimensional (3D) reconstruction method. DESIGN: Prospective observational case series. PARTICIPANTS: Thirty-nine patients (39 eyes) were included. METHODS: The IOL positions of all eyes were examined by AS-OCT. Images were obtained in 4 axes (0-180 degrees, 45-225 degrees, 90-270 degrees, and 135-315 degrees) using the quadrant-scan model. The cross-sectional images were analyzed with MATLAB software. MAIN OUTCOME MEASURES: The angle (θ) between the reference pupillary plane and the IOL plane, the distances between the center points of the pupil circle and the IOL on the x-axis (dx) and y-axis (dy) and the spatial distance (ds) were calculated after 3D-reconstruction. RESULTS: The mean angle (θ) between the pupillary plane and the IOL plane was 2.94±0.99 degrees. The mean IOL decentration of dx and dy was 0.32±0.26 mm and 0.40±0.27 mm, respectively. The ds of the IOL decentration was 0.56±0.31 mm. There was no significant correlation between the ocular residual astigmatism (ORA) and the tilted angle or the decentration distance. There was a significant correlation between the ORA and total astigmatism (r = 0.742, P
- Subjects :
- medicine.medical_specialty
Anatomy and Physiology
Cataracts and Other Lens Disorders
genetic structures
medicine.medical_treatment
Ocular Anatomy
lcsh:Medicine
Intraocular lens
Bioengineering
Medical Devices
Imaging, Three-Dimensional
Optical coherence tomography
Ocular System
Ophthalmology
medicine
Image Processing, Computer-Assisted
Humans
Eye lens
lcsh:Science
Biology
Physics
Lenses, Intraocular
Multidisciplinary
medicine.diagnostic_test
lcsh:R
Reproducibility of Results
Reconstruction method
eye diseases
Tilt (optics)
Optometry
Medicine
lcsh:Q
sense organs
Tomography
Algorithms
Tomography, Optical Coherence
Research Article
Biotechnology
Subjects
Details
- Language :
- English
- ISSN :
- 19326203
- Volume :
- 8
- Issue :
- 3
- Database :
- OpenAIRE
- Journal :
- PLoS ONE
- Accession number :
- edsair.doi.dedup.....744fa6948661ab3eb85728b1a2b4f820