Description
What’s Included
- Zeiss Atlas 9000 corneal topographer main unit
- Windows XP workstation with Atlas software
- Monitor, keyboard, and mouse
- Patient chin and forehead rest assembly
- Power cables and accessories
- 6-month Digital Eye Center warranty
Condition & Warranty
Refurbished. This Zeiss Atlas 9000 corneal topographer has been inspected and verified for full Placido disc topographic capture and Atlas software function on its Windows XP workstation. Carefully tested and cleaned before shipping. Covered by a 6-month warranty on parts and workmanship.
Zeiss Atlas 9000 — Refurbished Corneal Topographer with Windows XP

Research published in Diagnostics confirms that Placido disc corneal topography remains the clinical foundation for detecting and characterizing corneal ectatic diseases including keratoconus — the primary diagnostic application of the Zeiss Atlas 9000 in anterior segment practice.
Why Practices Choose the Zeiss Atlas 9000
22-ring Placido disc — 10.2mm corneal coverage — the Atlas 9000 projects 22 concentric rings of light across a 10.2mm zone; dense Placido ring coverage maps both the central corneal zone critical for refractive outcomes and the mid-peripheral zone where early ectatic changes first appear; more rings than many competing systems for increased spatial resolution
- Axial, tangential, refractive, and elevation maps — full four-map output — axial (sagittal) map for overview and SimK readings; tangential (instantaneous) map for detecting subtle local curvature changes and early keratoconus; refractive power map for contact lens fitting power calculations; elevation map for ectasia screening and comparison against a best-fit sphere
- SimK1/K2 keratometry values — contact lens and IOL workflow — simulated keratometry readings derived from the topographic data provide the K-readings used for soft lens base curve selection, RGP fitting, toric lens axis alignment, and pre-surgical IOL power calculation in practices without a standalone keratometer
- Ectasia screening indices — CLMI, KI, IKI — the Atlas software computes the Contact Lens to Meridian Index, Keratoconus Index, and Irregular Astigmatism Index; quantitative screening indices support clinical decisions on contact lens candidacy, refractive surgery screening, and keratoconus grading
- Windows XP standalone configuration — lowest Atlas 9000 price point — the Windows XP workstation operates the full Atlas topography suite as a standalone instrument; no DICOM export or EMR network connectivity for practices that use paper or manual data transfer workflows; the same Placido disc optical system as higher-priced Windows 10 configurations at a lower entry cost
- Contact lens fitting tools — fluorescein simulation and base curve mapping — the Atlas software includes contact lens fitting overlays for RGP base curve selection and fluorescein pattern simulation; important for specialty contact lens practices fitting keratoconus, post-surgical, and irregular cornea patients
- Refurbished with 6-month warranty — fully inspected and tested Atlas 9000 at $8,075; the same hardware platform as the $10,000 Windows 10 refurbished version at a lower price for practices with standalone instrument requirements
Clinical Applications
- Keratoconus screening and grading — Placido disc topography is the primary diagnostic tool for keratoconus detection; the Atlas 9000 axial and tangential maps characterize inferior steepening, irregular astigmatism, and apex displacement; KI and IKI indices support quantitative grading for monitoring progression and candidacy assessment
- Pre-refractive surgery corneal screening — LASIK and PRK candidacy requires corneal topography to exclude forme fruste keratoconus, irregular astigmatism, and posterior float elevation anomalies; the Atlas 9000 provides the topographic component of the pre-surgical screening evaluation
- Contact lens fitting — RGP, scleral, and specialty lenses — SimK values, base curve mapping, and fluorescein simulation from the Atlas 9000 guide soft lens axis alignment, RGP base curve selection, and specialty lens fitting for keratoconus and irregular cornea patients
- Post-surgical topography — corneal topography after LASIK, PRK, corneal transplant, or DALK reveals induced irregular astigmatism, decentration, and central island formation; the Atlas 9000 documents post-surgical corneal shape for follow-up and problem-solving in complicated cases
- Dry eye and anterior segment surface assessment — Placido ring reflection quality provides a qualitative assessment of tear film stability; irregular ring reflections indicate anterior surface irregularity from dry eye, epithelial pathology, or Salzmann nodular degeneration before formal topographic analysis
Who This Is For
- Practices adding corneal topography at the lowest Atlas 9000 entry cost — the Windows XP refurbished configuration at $8,075 is the most accessible Atlas 9000 price point; practices that need proven Placido disc topography performance without paying for Windows 10 network capability choose the XP version
- Contact lens practices — keratoconus and specialty lens fitting — the Atlas 9000 contact lens fitting tools and ectasia indices make it the standard topographer for practices that fit scleral, RGP, and specialty lenses for irregular cornea patients
- Refractive surgery co-management optometry — ODs who co-manage LASIK and PRK patients use corneal topography for pre-surgical screening referrals and post-surgical outcome documentation; the Atlas 9000 at refurbished pricing enables independent corneal screening capability
- Practices with standalone instrument workflows — the Windows XP configuration functions as a self-contained topography station; appropriate for practices that don’t require DICOM export or EMR connectivity and prefer the lower purchase price
Technical Specifications
| Specification | Detail |
| Instrument | Zeiss Atlas 9000 Corneal Topographer |
| Measurement Technology | Placido disc video keratoscopy |
| Placido Rings | 22 illuminated rings |
| Corneal Coverage | 10.2mm diameter |
| Map Types | Axial (sagittal), tangential, refractive power, elevation |
| Keratometry Output | SimK1, SimK2, axis |
| Screening Indices | CLMI, KI, IKI (keratoconus and irregular astigmatism indices) |
| Operating System | Windows XP (standalone, no DICOM/EMR networking) |
| Software | Zeiss Atlas topography software (full suite) |
| Condition | Refurbished |
| Warranty | 6 months |
Compare Zeiss Atlas 9000 Topographer Options
| Configuration | OS | Condition | Price |
| Atlas 9000 Win 10 Refurbished | Windows 10 | Refurbished | $10,000 |
| Atlas 9000 Win 10 Used | Windows 10 | Used | $8,300 |
| Atlas 9000 Win XP Refurbished (this unit) | Windows XP | Refurbished | $8,075 |
Questions about the Zeiss Atlas 9000? Contact us — we can confirm Windows XP software version, monitor type, and Atlas software module availability before purchase.





