By Alexander Friedrich Scheuerle, Eckart Schmidt, H.E. Völcker, L.E. Pillunat, F.E. Kruse
Glaucoma is still one of many top factors of blindness. Laser scanning tomography has won an quintessential position within the ophthalmologic prognosis, specially within the long term follow-up of glaucoma. Confocal laser scanning ophthalmoscopy presents key insights into the three-d anatomy of the optic disc in vivo. This distinct atlas includes excellent photos of all clinically correct ailments clinically determined through present types of the Heidelberg Retina Tomograph. It correlates classical diagnostic instruments like perimetry, tonometry and fundus images with state-of-the-art experiences together with electronic retinal angiography, optical coherence tomography and laser scanning tomography. designated gains contain the illustrated assurance of ailments of the optic nerve head; differing kinds and phases of glaucoma, non-glaucomatous neuropathy and papilledema; automatic class techniques for the detection of glaucoma; ideas for the translation of follow-up ends up in optic disc tracking and macular ailments. The almost immediately published Macular Edema Module expands the diagnostic spectrum of laser scanning ophthalmoscopy considerably, including measuring and tracking of diabetic and cystoid macular edema. This atlas is the main entire updated reference of laser scanning ophthalmoscopy to be had, excellent for citizens and basic ophthalmologists who are looking to increase their diagnostic skills.
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Additional resources for Atlas of Laser Scanning Ophthalmoscopy
Therefore, Wollstein et al. defined the normal ranges by using linear regression between the optic disc area and the log of neuroretinal rim area and between the optic disc area and the cup disc area ratio (Wollstein et al. 1998). Sensitivity was further improved by using the results of separate optic disc segments to detect early, localized defects. e. 9 % of all optic nerve heads in the normal database have a percentage share of rim area that is greater than this limit. Taking into account optic disc size, this method has the highest specificity and sensitivity values to detect early glaucomatous changes in the optic nerve head reported in the literature.
0 . n .. . ------ . . N ~- r1 n . , . 555 cmm Cup/Disk Area Ratio 0. 487 mm Cup Shape Measure Height Variation Contour Mean RNFL Thickness -0. 356 mm Topography Std Dev. 0 TO .. • T'"" - ' ____ .. 286 mm' Cup Volume 0. 333mm RNFL Cross Sectional Area 2. 555 mm Topography Std Dev. F. SCHEUERLE, E. 1 Automated Classification Procedures Laser scanning ophthalmoscopy provides a topographic height map of the optic disc and the peripapillary retina. The obtained data is objective, has a high spatial resolution and reproducibility.
8 -~ ""';":"-- 2 . ----------, T.... 42. 148 mm O. 382 mm Topography Std Dev. 7 dB) (4) 3 Glaucomas a Topography image, OS b Intensity image, b/w, OS c Intensity image, OS d 30°-visual field, OS e Photograph of the optic disc, OS 0 00 I 025 N 050 !. ... ····f·· ············f············· ~~~~_ _~_ _~~_ _~_ _~~ . ... •.... •.. . , ............. 063 0 3.