Hrt versus oct optic disc area

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August undefined, 2024

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,... Web1 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)...

HRT versus OCT in diagnosing preperimetric glaucoma

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 ... 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), … pink marble chess set

Comparison of imaging parameters between OCT, GDx and HRT in …

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 … Webficient 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 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. steel frame shop house

Retinal thickness decreases with age: an OCT study

Comparison of Spectral-Domain Optical Coherence Tomography …

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 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 … pink marble effect backgroundPrecise 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 steel frame shop homes

"Web9 jul. 2012 · PURPOSE To compare optic disc and neuroretinal rim area measurements from spectral-domain optical coherence tomography (SD-OCT) to those from confocal … " - Hrt versus oct optic disc area

Hrt versus oct optic disc area

Comparison of optic disc parameters measured by RTVue-100 …

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.

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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... WebMore 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].

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 … 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 …

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 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 … 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).

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.

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 … pink marble checker piecesWebVery 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 … pink marbled crocsWebThe 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 … steel frame shop buildingshttp://www.esinbaser.com/wp-content/uploads/2024/12/OCT-HRT-Ophthalmologica.pdf steel frame shed pricesWeb6 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. pink marble gold wallpaperWebPapilledema 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 … steel frame sheds nzWebIn 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. steel frame sleeper couch