Hrt versus oct optic disc area
WebPurpose: To evaluate the relationship between optic disc and retinal nerve fiber layer (RNFL) measurements obtained with the optical coherence tomography (OCT) and … WebAbstract . Optical coherence tomography (OCT) can aid in the differential diagnosis of optic nerve head (ONH) elevation. Specific OCT hallmarks, such as “V contour” and a “lumpy-bumpy” appearance, associated with …
Hrt versus oct optic disc area
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Web9 jul. 2012 · A portion of the difference in HRT and SD-OCT disc measurements is due to HRT's magnification correction algorithm. Rim area measurements from HRT were … WebVery large LoA were observed: -0.29 to 0.70 mm for OCT and HRT, -0.07 to 0.71 mm for OCT and funduscopy, and -0.29 to 0.53 mm for HRT and funduscopy. There was poor …
WebThis is the first comprehensive study to investigate the long-term structural and functional effects of anti-VEGF treatments on the retina and optic nerve that involves the analysis of macular thickness, mean perfusion, vertical cup-to-disk (C/D) ratio, cup volume, stereo photos, IOP, visual acuity, and visual fields (VFs). WebOptical coherence tomography (OCT) signal strength correlated with the image quality parameters of the HRT and GDx. The percentage of good quality images was the lowest …
Webarea, disc area, average cup/disc (C/D) ratio, vertical C/D ratio, and cup volume. e equivalent ONH parameters were also measured using the Cirrus OCT (Optic Disc Cube 200 × 200 scanpro-tocol; so ware version .) following a standard procedure described elsewhere. Le eye data were converted to a right eye format. Web6 feb. 2007 · HRT data were mailed to each expert for analysis and sent back after drawing of the contourline defining the optic disc margin. Each expert was given the definition of the border of the optic disc defined as the inner edge of the scleral ring of Elschnig [ 7 ].
Web4 mei 2014 · A descriptive analysis was made using Statistical Package for the Social Sciences (SPSS) for Windows, version 19.0 (SPSS Inc., Chicago, USA). Results: The mean optic disc area was 3.41 ± 0.47...
WebNov 2011 - Jul 20249 years 9 months. As a principal investigator at Devers Eye Institute (part of Legacy Research Institute), my role includes: … c-3p-oh no challengesWebPolarimeter, HRT II Confocal Scanning Laser Ophthalmoscope, and Stratus OCT Optical Coherence Tomograph for the Detection of Glaucoma Felipe A. Medeiros, MD; Linda M. Zangwill, PhD; Christopher Bowd, PhD; Robert N. Weinreb, MD Objective: To compare the abilities of current com-mercially available versions of 3 optical imaging tech- c3po introductionWeb6 mei 2024 · The various devices measure RNFL thickness in slightly different ways. In the Spectralis OCT, it’s measured directly with a 3.46-mm diameter circular scan centered on the optic disc. In the case of the Cirrus OCT, the measurement of RNFL is generated from a 6 mm 3 cube scan centered on the optic disc. c3po knows how many languagesPrecise optic disc size measurements based on anatomically exact disc margins are fundamental for a correct assessment of glaucoma suspects. Computerized imaging techniques, such as confocal-scanning-laser-tomography (CSLT), which applies operator defined boundaries and optical … Meer weergeven Retrospectively, patients that simultaneously received CSLT and BMO-OCT scans were included. Their images were … Meer weergeven Area measurements (CSLT optic disc area vs. BMO-area by OCT) showed a systematic deviation with a divergent tendency with increasing size. Our mathematical equation offers an estimated comparison of … Meer weergeven Our study included 373 eyes with a median optic disc area by CSLT/ BMO-area by OCT of 2.56 mm2 and 2.19 mm2 respectively. … Meer weergeven cloudyfilescloudy fileWeb9 jul. 2012 · A portion of the difference in HRT and SD-OCT disc measurements is due to HRT's magnification correction algorithm. Rim area measurements from HRT were larger than from SD-OCT, likely a result of different definitions for the reference plane and differences in disc area measurements. Disc parameters from the two devices are not … c3po laying down robesWebThe relationship between disc area and vertical cup-disc ratio (VCDR). A, Scatterplot of disc area vs VCDR. The dotted lines represent mean disc area − 1 SD (1.436 mm2) and mean disc area + 1 SD (2.109 mm2). These values were used to define disc area size. The disc area mean is unadjusted for age for this figure. cloudy eyesight in one eye