Racioethnic Differences in Human Posterior Scleral and Optic Nerve Stump Deformation
نویسندگان
چکیده
منابع مشابه
Racioethnic Differences in Human Posterior Scleral and Optic Nerve Stump Deformation
Purpose The purpose of this study was to quantify the biomechanical response of human posterior ocular tissues from donors of various racioethnic groups to better understand how differences in these properties may play a role in the racioethnic health disparities known to exist in glaucoma. Methods Sequential digital image correlation (S-DIC) was used to measure the pressure-induced surface d...
متن کاملEVects of scleral buckling and encircling procedures on human optic nerve head and retinochoroidal circulation
Aims—To study the eVects of segmental scleral buckling and encircling procedures on tissue circulation in the human optic nerve head (ONH) and choroid and retina. Methods—Using the laser speckle method, the normalised blur (NB) value, a quantitative index of tissue blood velocity, was measured every 0.125 seconds and averaged over three pulses in the optic nerve head (NBONH) and choroid and ret...
متن کاملEffects of scleral buckling and encircling procedures on human optic nerve head and retinochoroidal circulation.
AIMS To study the effects of segmental scleral buckling and encircling procedures on tissue circulation in the human optic nerve head (ONH) and choroid and retina. METHODS Using the laser speckle method, the normalised blur (NB) value, a quantitative index of tissue blood velocity, was measured every 0.125 seconds and averaged over three pulses in the optic nerve head (NB(ONH)) and choroid an...
متن کاملAutomated quantitation of the posterior scleral flattening and optic nerve protrusion by MRI in idiopathic intracranial hypertension.
BACKGROUND AND PURPOSE Subjective determination of the posterior sclera flattening and optic nerve protrusion in MRI is challenging because of the 3D nature of the globe morphology. This study aims to develop and compare quantitative measures of globe flattening and optic nerve protrusion with subjective rating, and assess relationships with papilledema grade and intraocular and CSF pressures. ...
متن کاملspontaneous scleral perforation and optic nerve dural ectasia in marfan syndrome
purpose : to report two patients with spontaneous scleral perforation and bleb formation associated with marfan syndrome (mfs) which one of them also showed bilateral optic nerve dural ectasia. case reports : an 11-year-old girl was referred with progressive myopia. past medical history was negative. slit-lamp examination revealed bilateral scleral thinning and perforation with bleb formation, ...
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ژورنال
عنوان ژورنال: Investigative Opthalmology & Visual Science
سال: 2017
ISSN: 1552-5783
DOI: 10.1167/iovs.17-22141