Non-invasive in vivo measurement of ocular rigidity: clinical validation, repeatability and method improvement

DN Sayah, J Mazzaferri, P Ghesquière, R Duval… - Experimental Eye …, 2020 - Elsevier
Ocular rigidity (OR) is thought to play a role in the pathogenesis of glaucoma, but the lack of
reliable non-invasive measurements has been a major technical challenge. We recently …

Non-invasive ocular rigidity measurement: a differential tonometry approach

ET Detorakis, E Tsaglioti, G Kymionis - Acta Medica, 2015 - karolinum.cz
Purpose: Taking into account the fact that Goldmann applanation tonometry (GAT)
geometrically deforms the corneal apex and displaces volume from the anterior segment …

Ocular rigidity: biomechanical role, in vivo measurements and clinical significance

ET Detorakis, IG Pallikaris - Clinical & experimental …, 2013 - Wiley Online Library
Ocular rigidity (OR) refers to the relationship between pressure and volume changes in the
eyeball. Since the description of the differential tonometry method for the calculation of an …

[HTML][HTML] Non-invasive clinical measurement of ocular rigidity and comparison to biomechanical and morphological parameters in glaucomatous and healthy subjects

Y Ma, SE Moroi, CJ Roberts - Frontiers in Medicine, 2021 - frontiersin.org
Purpose: To assess ocular rigidity using dynamic optical coherence tomography (OCT)
videos in glaucomatous and healthy subjects, and to evaluate how ocular rigidity correlates …

Non-invasive measurement of choroidal volume change and ocular rigidity through automated segmentation of high-speed OCT imaging

L Beaton, J Mazzaferri, F Lalonde… - Biomedical optics …, 2015 - opg.optica.org
We have developed a novel optical approach to determine pulsatile ocular volume changes
using automated segmentation of the choroid, which, together with Dynamic Contour …

A novel instrument for the non–invasive measurement of intraocular pressure and ocular rigidity

I Pallikaris, HS Ginis, D De Brouwere… - … & Visual Science, 2006 - iovs.arvojournals.org
Purpose:: To develop a minimally invasive device capable of measuring intraocular
pressure (IOP) and ocular rigidity. Moreover, to perform pilot measurements and compare …

[HTML][HTML] Ocular rigidity in living human eyes

IG Pallikaris, GD Kymionis, HS Ginis… - … & visual science, 2005 - arvojournals.org
purpose. To measure the rigidity coefficient of a large number of subjects at clinically
encountered intraocular pressures (IOPs) and to examine the possible correlation of ocular …

[HTML][HTML] Estimation of ocular rigidity in glaucoma using ocular pulse amplitude and pulsatile choroidal blood flow

J Wang, EE Freeman, D Descovich… - … & visual science, 2013 - tvst.arvojournals.org
Purpose.: Theoretical models and animal studies have suggested that scleral rigidity plays
an important role in the pathogenesis of glaucoma. The aim of this study was to present a …

Non-invasive biometric assessment of ocular rigidity in glaucoma patients and controls

A Ebneter, B Wagels, MS Zinkernagel - Eye, 2009 - nature.com
Purpose To determine in vivo whether a pharmacologically induced change in intraocular
pressure (IOP) leads to measurable changes in axial eye length and whether there is a …

Measuring ocular torsion and its variations using different nonmydriatic fundus photographic methods

H Kang, SJ Lee, HJ Shin, AG Lee - PLoS One, 2020 - journals.plos.org
Purpose To compare the variations in ocular torsion measurements made using different
fundus photographic methods. Methods We enrolled subjects with three conditions:(1) …