期刊
OPTICAL ELASTOGRAPHY AND TISSUE BIOMECHANICS IV
卷 10067, 期 -, 页码 -出版社
SPIE-INT SOC OPTICAL ENGINEERING
DOI: 10.1117/12.2253610
关键词
optical coherence tomography; strain visualization; OCT imaging of thermo-elastic deformations; laser reshaping of cornea; non-destructive laser-assisted vision correction; elastography; speckle
资金
- Russian Science Foundation [16-15-10274]
- Russian Federation Government [14.B25.31.0015]
Phase-sensitive optical coherence tomography (OCT) is used for visualizing dynamic and cumulative strains and cornea-shape changes during laser-produced tissue heating. Such non-destructive (non-ablative) cornea reshaping can be used as a basis of emerging technologies of laser vision correction. In experiments with cartilaginous samples, polyacrilamide phantoms and excised rabbit eyes we demonstrate ability of the developed OCT system to simultaneously characterize transient and cumulated strain distributions, surface displacements, scattering tissue properties and possibility of temperature estimation via thermal-expansion measurements. The proposed approach can be implemented in perspective real-time OCT systems for ensuring safety of new methods of laser reshaping of cornea.
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