HEIDELBERG SPECTRALIS HRA
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Spectralis HRA: The current iteration of Heidelberg’s original HRA angiography platform. Designed for angiographies, the SPECTRALIS HRA is built on a Confocal Scanning Laser Ophthalmoscopy (cSLO) platform that is exceptionally sensitive to the fluorescence of Fluoresceine or ICG dyes. This provides focused and high contrast imaging either as still images or Heidelberg’s unique high speed imaging (movies).
The confocal scanning laser ophthalmoscope (cSLO) technology enhances fluorescein angiography (FA) in two key ways. First, a precise laser wavelength generates the peak emission of light from fluorescein dye, increasing the signal-to-noise ratio. Secondly, confocal technology blocks out-of-focus and scattered light. The results are dramatic. SPECTRALIS® video FA provides clear, detailed images of the capillary bed in real-time and can reveal leakage that may be missed with static FA.
Indocyanine green angiography (ICGA) enables imaging of the choroidal circulation below the retinal pigment epithelium (RPE). ICGA complements fluorescein angiography (FA), which captures blood flow above the RPE. Although ICG angiography is not a replacement for fluorescein, it provides adjunctive information which assists in defining the choroidal circulatory involvement in retinal pathology. Like with FA, SPECTRALIS HRA generates peak emission of light from the ICG dye and the cSLO camera captures clear detailed images of the choroidal vasculature.
BluePeak™ Blue Laser Autofluorescence imaging takes advantage of the natural fluorescent properties of lipofuscin. BluePeak™ autofluorescence captures fundus autofluorescence (FAF) images, providing both structural and metabolic information about the retina.
Like all SPECTRALIS models, the SPECTRALIS HRA features an upgradable, modular design: allowing configuration of each SPECTRALIS to the specific diagnostic workflow in the practice or clinic. Upgrade options include: SD-OCT, MultiColor™, widefield, ultra-widefield and anterior segment imaging.Body:
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Based on exclusive core technologies:
- High Resolution Angiography Imaging: Exceptional detail is obtained by the SPECTRALIS HRA’s cSLO imaging device.
- High Speed Angiographies: SPECTRALIS HRA’s cSLO technology is not limited like the flash imaging technology so multiple images can be acquired within a second. This allows movies to be acquired where each frame is a full resolution image.
- Dual Imaging Capabilities: SPECTRALIS HRA’s dual imaging capabilities allows side-by-side FA and ICGA angiographies. This unique capability provides valuable insights provided by these different imaging modes.
- Autocomposite Imaging: The SPECTRALIS HRA’s panning head and live composite imaging allows expansion of the field easily for any technician.
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