WebDec 25, 2024 · Optic Nerve Head (ONH) SD-OCT also automatically outlines the optic nerve head, optic cup, and disc borders similar to mental estimations by clinicians, but then also calculates more objective measurements such as optic disc area and neuroretinal rim area in addition to the classic clinician-subjective average and vertical cup-to-disc ratios. WebWhen Mwanza et al evaluated the ability of Cirrus ONH parameters to discriminate healthy eyes from glaucomatous eyes, they found that the best parameters were vertical rim …
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WebThe GCC scan region was divided into four zones (superior versus inferior, and perifoveal versus macular), based on the optical area subserved by the VF divisions defined by Garway-Heath et al. 21 The theoretical border between the perifoveal and macular GCC zones was determined by imposing a 6° VF grid over the retina, and then correcting for retinal … WebThe diagnostic ability of GCC in advanced glaucoma may be inferior to RNFL parameters because only 50% of the RGCs occupy the macular region. 45 However, both RNFL and GCC thickness demonstrated a similar ability to diagnose moderate and severe glaucoma, defined according to the modified Hodapp-Anderson-Parrish grading scale. 45,75 The … german prisoners of war after ww2
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WebDec 29, 2015 · ONH and GCC scan patterns were used. The ONH scan protocol measures circumpapillary RNFL thickness by calculating data along a circle of 3.45 mm in diameter … WebSlide 1OCT & Glaucoma: vantaggi e limiti No financial interest Slide 2 RNFL RNFL ONH ONH GCC GCC AS-OCT AS-OCT Combo Report Combo Report AS-OCT AS-OCT Combo Report … http://www.visioncareprofessional.com/digital/optovue/8/300-50059%20Rev.B_iScan%20Brochure_US.pdf christman mortgage