High-frequency ultrasound elastography to assess the nonlinear elastic properties of the cornea and ciliary body

J Zhang, J Murgoitio-Esandi, X Qian… - IEEE transactions on …, 2022 - ieeexplore.ieee.org
Mechanical properties of the anterior anatomical structures of the eye, such as the cornea
and ciliary body, play a key role in the ocular function and homeostasis. However …

Simultaneous assessment of the whole eye biomechanics using ultrasonic elastography

R Li, X Qian, C Gong, J Zhang, Y Liu… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Objective: Current elastography techniques in the field of ophthalmology usually target one
specific tissue, such as the cornea or the sclera. However, the eye is an inter-related organ …

Intraocular pressure–dependent corneal elasticity measurement using high-frequency ultrasound

LO Osapoetra, DM Watson… - Ultrasonic …, 2019 - journals.sagepub.com
Measurement of corneal biomechanical properties can aid in predicting corneal responses
to diseases and surgeries. For delineation of spatially resolved distribution of corneal …

Ultrasonic elastography to assess biomechanical properties of the optic nerve head and peripapillary sclera of the eye

X Qian, R Li, G Lu, L Jiang, H Kang, KK Shung… - Ultrasonics, 2021 - Elsevier
Purpose To quantitatively investigate both optic nerve head (ONH) and peripapillary sclera
(PPS) biomechanical properties of porcine eyes through an ultrasonic elastography imaging …

Quantitative confocal optical coherence elastography for evaluating biomechanics of optic nerve head using Lamb wave model

Z Du, R Li, X Qian, G Lu, Y Li, Y He, Y Qu… - …, 2019 - spiedigitallibrary.org
The mechanosensitivity of the optic nerve head (ONH) plays a pivotal role in the
pathogenesis of glaucoma. Characterizing elasticity of the ONH over changing physiological …

Strain imaging of corneal tissue with an ultrasound elasticity microscope

KW Hollman, SY Emelianov, JH Neiss, G Jotyan… - Cornea, 2002 - journals.lww.com
Purpose. We hypothesize that high-resolution elasticity measurements can guide corrective
refractive surgery of the cornea. Elasticity measurements would improve surgical outcomes …

In-vivo 3D corneal elasticity using air-coupled ultrasound optical coherence elastography

Z Jin, R Khazaeinezhad, J Zhu, J Yu, Y Qu… - Biomedical optics …, 2019 - opg.optica.org
Corneal elasticity can resist elastic deformations under intraocular pressure to maintain
normal corneal shape, which has a great influence on corneal refractive function …

In vivo Optical Coherence Elastography Unveils Spatial Variation of Human Corneal Stiffness

GY Li, X Feng, SH Yun - IEEE Transactions on Biomedical …, 2023 - ieeexplore.ieee.org
Objective: The mechanical properties of corneal tissues play a crucial role in determining
corneal shape and have significant implications in vision care. This study aimed to address …

Ultrasonic microelastography to assess biomechanical properties of the cornea

X Qian, T Ma, CC Shih, M Heur, J Zhang… - IEEE Transactions …, 2018 - ieeexplore.ieee.org
Objective: To both qualitatively and quantitatively investigate corneal biomechanical
properties through an ultrasonic microelastography imaging system, which is potentially …

In vivo noninvasive measurement of Young's modulus of elasticity in human eyes: a feasibility study

AJ Sit, SC Lin, A Kazemi, JW McLaren… - Journal of …, 2017 - journals.lww.com
Purpose: Abnormal ocular biomechanical properties may be important for understanding the
risk of glaucoma. However, there are no clinical methods for measuring standard material …