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Heidelberg (HRT II)
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HRTll Tomographer Heidelberg Retina Tomograph (HRT II) The Heidelberg Retina Tomograph II may be superior to other optic nerve head analyzers for accuracy in 3-dimensional optic nerve head topography. The HRT II uses scanning laser tomography to produce the 3-dimensional images, which allow precise measurements of optic nerve head parameters. This technology is purported by Heidelberg Engineering to differentiate between normal eyes and glaucomatous eyes even before visual field defects are present. Vendor Heidelberg Engineering, Inc. Item Heidelberg Retina Tomograph II Features It features automatic image acquisition, sector analysis for early glaucoma detection, and automatic progression analysis. Also, all results are presented in a format which is understood by patients to ensure their compliance. The Heidelberg Retina Tomograph operation software provides a variety of functions to quantitatively describe the three-dimensional properties of the retina and the optic nerve head and to precisely detect and describe topographic changes. Approval USA & Germany Product Number Inquire Field of View 15° × 15° Focus Range -12 to +12 diopters (automatic) Digitized Image Size 2D images 384×384 pixels, 3D images 384×384×16 to 384×384×64 voxels Optical Resolution transverse 10 µm, longitudinal 300 µm Digital Resolution transverse 10 µm/pixel, longitudinal 62 µm/pixel Scan time / Image 2D images 0.024 seconds, 3D images 0.4 to 1.5 seconds
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