system-familyHeidelbergOphthalmic OCTfamily: spectralis

Heidelberg Spectralis (family)

Heidelberg Engineering's flagship ophthalmic imaging platform — combines spectral-domain OCT with confocal scanning laser ophthalmoscopy (cSLO) in a single hybrid acquisition. Signature feature: TruTrack active eye tracking locks OCT B-scans to retinal landmarks in real time, enabling repeat imaging at exactly the same retinal location across visits. Dominant in glaucoma and retina academic practices; co-leader globally with Zeiss Cirrus in retinal OCT.

History

  • 1990s — Heidelberg HRA (Retina Angiograph) introduces clinical cSLO.
  • 2007 — Spectralis launches, combining cSLO + SD-OCT.
  • 2010s — OCT2 module accelerates acquisition; OCT-A (angiography) module adds dye-free vascular imaging.
  • 2020s — continued module expansion (anterior segment, widefield, MultiColor, MicroPerimeter integration).

Variants and modules

Spectralis is modular — customers configure the base platform with the imaging modules they need. Common configurations:

  • Spectralis OCT — base SD-OCT.
  • Spectralis OCT2 — accelerated module with faster B-scan rate and wider scan width.
  • Spectralis HRA + OCT — adds fluorescein + ICG angiography on the cSLO side.
  • OCT-A — OCT-angiography module, dye-free retinal vascular imaging.
  • MultiColor — multi-wavelength cSLO imaging (blue, green, infrared) for layer-specific contrast.
  • Anterior Segment Module — extends to corneal and anterior-chamber imaging.
  • Widefield Module — extended-FOV retinal imaging.
  • Glaucoma Module Premium Edition (GMPE) — RNFL + optic-nerve-head + anatomic-positioning analytics.
  • MicroPerimeter — integrates microperimetry on the same retinal image.

Shared platform characteristics

  • TruTrack active eye tracking — real-time gaze-stabilization during acquisition.
  • AutoRescan — repeat scans at the exact same retinal coordinates across visits, the basis for longitudinal disease tracking (glaucoma RNFL, AMD progression, MS optic neuritis follow-up).
  • HEYEX 2 software ecosystem — analytics, normative databases, research-data export, third-party integration.
  • Modular hardware — base platform extended with licensed imaging modules.

Distinctive technology

  • cSLO + OCT hybrid acquisition — Zeiss Cirrus is OCT-only; Spectralis registers the cSLO fundus image to the OCT B-scan in one acquisition.
  • TruTrack stabilization — meaningfully improves image quality on uncooperative / nystagmus / older patients and is the load-bearing feature for serial-visit comparison.
  • HEYEX 2 data export — Heidelberg has a research-friendly data ecosystem that academic and trial sites favor.

Market position

Strong global #2 in retinal OCT after Zeiss Cirrus — preferred in academic and research-heavy practices where image quality, eye-tracking, and data export matter more than throughput. Glaucoma-imaging market retains strong Heidelberg preference (HRT3 legacy, GMPE on Spectralis). Topcon and Nidek are notable Asia-Pacific competitors.

Refurb posture

  • Modular configuration is the price-determining variable on refurbs — base Spectralis without OCT-A or widefield is meaningfully different from a fully-configured unit.
  • HEYEX software-version + license tier — analytics packages and normative databases are version-locked.
  • Vendor lock-in on serial patient comparison — Heidelberg-to-Heidelberg refurbs preserve clinic data continuity in ways cross-vendor migration does not.

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