Hrt versus oct optic disc area
Web6 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. Web22 jun. 2011 · The mean HRT-II values were consistently larger than RTVue-100 values for optic disc area and rim area. The RTVue-100 values were larger for the cup area, cup-to-disc area ratio,...
Hrt versus oct optic disc area
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Web6 sep. 2011 · Optic Disc Basic Examination. When assessing a disc for glaucoma there are many subtle characteristics which should be examined. There are also various ways to examine the optic disc. For an assessment of the optic disc, there is “the 3 Cs” rule- the cup, colour and contour. The Contour. The borders of the optic disc should be clear and ... Web1 jul. 1995 · Measurements of Optic Disk Size With HRT II, Stratus OCT, and Funduscopy Are Not Interchangeable 2006, American Journal of Ophthalmology Citation Excerpt : We tried to minimize this optical effect by keeping the position of the lens constant as the examiner rested his hand on the subject’s face rather than holding it in the air.
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 … Web1 dag geleden · Confocal laser scanning tomography (Heidelberg retina tomograph, HRT) is a useful tool to monitor the progression of optic disc cupping in glaucoma or ocular …
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). Web25 nov. 2024 · Optical coherence tomography (OCT), a quick and reproducible imaging technique using low coherence interferometry to produce cross-sectional images of the …
WebThe sensitivity of the two apparatuses increases with the depth of the defect but remains higher with the HRT. Conclusion There is not a difference between the two analyzers from - 2,1 Decibels The GPS appears to be an algorithm more sensitive than analysis RNFL on OCT in detecting preperimetric glaucoma. Volume92, Issues253
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 … fastest ssd internal hard driveWeb1 dec. 2009 · OCT values were consistently larger than HRT values for disc and cup area. Compared with HRT, small rim areas and volumes tended to be minimized by OCT, and … fastest ssh serverWeb9 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 … french bulldog brown white and blackWeb22 jun. 2011 · OCT values were consistently larger than HRT values for disc and cup area. Compared with HRT, small rim areas and volumes tended to be minimized by OCT, and … fastest ssd for ps5Precise 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 french bulldog cell phone holderWebficient values for disc area, rim area, cup area, cup/disc area ratio, mean cup depth and maximum cup depth were 0.367, 0.213, 0.632, 0.681, 0.775 and 0.661, respectively. No signifi-Received: August 17, 2011 Accepted after revision: June 8, 2012 Published online: August 22, 2012 Ophthalmologica Assist. Prof. Göktuğ Seymenoğlu, MD fastest ssd interfaceWebThe 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. fastest ssh server free