Scleral structure and biomechanics

C Boote, IA Sigal, R Grytz, Y Hua, TD Nguyen… - Progress in retinal and …, 2020 - Elsevier
As the eye's main load-bearing connective tissue, the sclera is centrally important to vision.
In addition to cooperatively maintaining refractive status with the cornea, the sclera must …

[HTML][HTML] Remodeling of the lamina cribrosa: Mechanisms and potential therapeutic approaches for glaucoma

RG Strickland, MA Garner, AK Gross… - International journal of …, 2022 - mdpi.com
Glaucomatous optic neuropathy is the leading cause of irreversible blindness in the world.
The chronic disease is characterized by optic nerve degeneration and vision field loss. The …

Collagen fiber interweaving is central to sclera stiffness

B Wang, Y Hua, BL Brazile, B Yang, IA Sigal - Acta biomaterialia, 2020 - Elsevier
The mechanical properties of the microstructural components of sclera are central to eye
physiology and pathology. Because these parameters are extremely difficult to measure …

Comparing continuum and direct fiber models of soft tissues: An ocular biomechanics example reveals that continuum models may artificially disrupt the strains at both …

X He, MR Islam, F Ji, B Wang, IA Sigal - Acta Biomaterialia, 2024 - Elsevier
Collagen fibers are the main load-bearing component of soft tissues but difficult to
incorporate into models. Whilst simplified homogenization models suffice for some …

[HTML][HTML] In vivo 3D determination of peripapillary scleral and retinal layer architecture using polarization-sensitive optical coherence tomography

J Willemse, MGO Gräfe, FD Verbraak… - … vision science & …, 2020 - jov.arvojournals.org
Purpose: The purpose of this paper was to determine the architecture of the collagen fibers
of the peripapillary sclera, the retinal nerve fiber layer (RNFL), and Henle's fiber layer in vivo …

Radial and circumferential collagen fibers are a feature of the peripapillary sclera of human, monkey, pig, cow, goat, and sheep

A Gogola, NJ Jan, KL Lathrop… - … ophthalmology & visual …, 2018 - iovs.arvojournals.org
Purpose: To test the hypothesis that human, monkey, pig, sheep, cow, and goat eyes exhibit
circumferential, radial, and interweaving collagen architecture in the posterior sclera …

Revealing regional variations in scleral shear modulus in a rabbit eye model using multi-directional ultrasound optical coherence elastography

L Villegas, F Zvietcovich, S Marcos, JS Birkenfeld - Scientific reports, 2024 - nature.com
The mechanical properties of the sclera play a critical role in supporting the ocular structure
and maintaining its shape. However, non-invasive measurements to quantify scleral …

Connective tissue remodeling in myopia and its potential role in increasing risk of glaucoma

R Grytz, H Yang, Y Hua, BC Samuels… - Current opinion in …, 2020 - Elsevier
Myopia and glaucoma are both increasing in prevalence and are linked by an unknown
mechanism as many epidemiologic studies have identified moderate to high myopia as an …

[HTML][HTML] Polarization-sensitive optical coherence tomography and scleral collagen fiber orientation in osteogenesis imperfecta

SJE Verdonk, J Willemse, VS Zoutenbier… - Experimental Eye …, 2024 - Elsevier
Osteogenesis imperfecta (OI), a rare genetic connective tissue disorder, primarily arises from
pathogenic variants affecting the production or structure of collagen type I. In addition to …

Real-time imaging of optic nerve head collagen microstructure and biomechanics using instant polarized light microscopy

PY Lee, B Yang, Y Hua, S Waxman, Z Zhu, F Ji… - Experimental eye …, 2022 - Elsevier
Current tools lack the temporal or spatial resolution necessary to image many important
aspects of the architecture and dynamics of the optic nerve head (ONH). We evaluated the …