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HRT Tomographer may be superior to other optic nerve head analyzers for accuracy in 3-dimensional optic nerve head topography. The HRT uses scanning laser tomography to produce the 3-dimensional images, which allow precise measurements of optic nerve head parameters. This technology is created to differentiate between normal eyes and glaucomatous eyes even before visual field defects are present. The HRT features automatic image acquisition, sector analysis for early glaucoma detection, and automatic progression analysis.
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