Chinese Journal of Lasers, Volume. 52, Issue 3, 0307207(2025)
Finite Element Analysis of Corneal Elasticity After Small Incision Lenticule Extraction Surgery Evaluated by Optical Coherence Elastography
Fig. 1. Postoperative geometric model and mesh generation. (a) Postoperative geometric model; (b) mesh generation of the postoperative geometric model
Fig. 2. Finite element simulation of shear wave propagation in rabbit eyes cornea after SMILE
Fig. 3. Phase velocity calculation of the shear wave in rabbit eyes cornea after SMILE (using -6 D as an example). (a) Wave number-frequency map; (b) phase velocity dispersion curve
Fig. 4. Variation in shear wave velocity and elastic modulus with corrected refraction. (a) Variation in shear wave velocity; (b) variation in elastic modulus
Fig. 5. Relationship between cutting variables and variation in shear wave velocity with corneal cap thicknesses. (a) Relationship between cutting variables; (b) variation in shear wave velocity
Fig. 6. Variation in elastic modulus with corneal cap thicknesses for different corrected refractions. (a) -3 D; (b) -6 D
Fig. 7. ARF-OCE experiment results of cornea for in vivo rabbit eyes after SMILE. (a) Two-dimensional OCT structure diagram; (b)‒(e) elastic wave propagation maps; (f) spatio-temporal Doppler displacement diagram of elastic wave
Fig. 8. Phase velocity calculation of the elastic wave in cornea for in vivo rabbit eyes after SMILE. (a) Wave number-frequency map; (b) phase velocity dispersion curve
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Jixi Guo, Lihua Fang, Gang Shi, Ruixuan Yu, Yi Zhang, Xinchao Wang, Xuyang Zhang. Finite Element Analysis of Corneal Elasticity After Small Incision Lenticule Extraction Surgery Evaluated by Optical Coherence Elastography[J]. Chinese Journal of Lasers, 2025, 52(3): 0307207
Category: Optical Diagnostics and Therapy
Received: Sep. 30, 2024
Accepted: Nov. 22, 2024
Published Online: Jan. 20, 2025
The Author Email: Fang Lihua (fanglh71@126.com)
CSTR:32183.14.CJL241231