Hrt versus oct optic disc area

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August undefined, 2024

WebThe mean disc area as measured by HRT3 was 2.21±0.46 mm 2, and the mean disc area of the KOWA was 2.80±0.55 mm 2 in POAG patients (P<0.001, Table 1). ... Garweg JG. Morphometric assessment of normal, suspect and glaucomatous optic discs with Stratus OCT and HRT II. Eye (Lond). 2006;20(11):1288–1299. 36. 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...

Comparison of scanning laser ophthalmoscopy and high …

Web10 mei 2012 · HRT overestimated optic disc area as compared to SD-OCT. A portion of the difference in HRT and SD-OCT disc measurements is due to HRT's magnification … WebThe mean disc area as measured by HRT3 was 2.21±0.46 mm 2, and the mean disc area of the KOWA was 2.80±0.55 mm 2 in POAG patients (P<0.001, Table 1). ... Garweg JG. … first submachine gun

Two-year analysis of changes in the optic nerve and retina …

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. WebComparison of Optic Disc Parameters in Hyperopic and Emmetropic Eyes of Healthy Children with HRT and OCT. In children, ONH of highly hyperopic eyes are smaller than … WebIn the present study, the mean difference between the HRT and the magnification-corrected OCT disc area was 0.48 mm 2 and the span of 95% limits of agreement was 2.04 mm 2 (1.5 to −0.54 mm 2 ). Consistent with previous studies, the OCT measured a larger disc area compared with the HRT. camp cooking without utensils

Comparison of scanning laser ophthalmoscopy and high …

Monitoring Glaucoma Progression with OCT - Review of …

WebOptic Nerve Anatomy The optic nerve (optic disc, optic disk, optic nerve head [ONH]) area is approximately 2.1-2.8 mm2in whites who are not highly myopic depending on 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 camp cooking without cookwareWeb1 jan. 2004 · Very 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 agreement (kappa < 0.4)... first submarine built in barrow in furness

"WebThe two instruments showed no difference in mean optic disc area measurements (1.98 ± 0.37 for HD-OCT vs 1.98 ± 0.39 mm for HRT-3, p=0.95). HD-OCT showed smaller rim … " - Hrt versus oct optic disc area

Hrt versus oct optic disc area

Comparison of Optic Disc Parameters in Hyperopic and

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 … 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).

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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 …

WebPurpose: To evaluate the relationship between optic disc and retinal nerve fiber layer (RNFL) measurements obtained with the optical coherence tomography (OCT) and … WebThe relationship between CCT and HRT parameter volume below reference for eyes suspicious of glaucoma (n = 103 eyes). The cup volume tended to be greater for eyes with thin corneas. Source...

WebPapilledema is a term that is exclusively used when a disc swelling is secondary to increased intracranial pressure (ICP). It must be distinguished from optic disc swelling from other causes which is simply termed "optic disc edema". Papilledema must also be distinguished from pseudo-papilledema such as optic disc drusen. Since the root … Web1 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 …

Web21 dec. 2024 · Compared to the emmetropic group, following HRT parameters were significantly smaller in the hyperopic group: Disc area (1.41 vs. 1.68 mm2, p = 0.023), …

WebThe optic disk, cup, and peripapillary crescent areas were measured by marking their outlines with a cursor. The projected area was automatically calculated by the computer (Fig. 1). The optic disk was defined by the inner border surrounding the nerve tissue; care was taken not to include the white peripapillary scleral ring. camp cookware gsi bugabooWebMore advanced imaging technology such as optic disc by optical coherence tomography (OCT) and Heidelberg Retina Tomograph (HRT) are often used and yield more specific measurements. Correcting for disc size also improves the sensitivity of imaging techniques such as the (HRT) in identifying abnormal discs [4]. first subsea ball grabPrecise 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 camp cook scout badgeWeb6 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 ]. first submarine vlsWeb25 nov. 2024 · Optical coherence tomography (OCT), a quick and reproducible imaging technique using low coherence interferometry to produce cross-sectional images of the … first submarine science and the seaWeb1 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. camp cookware with coffee makerWebPolarimeter, 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- camp cory weeks