Description
Zeiss IOLMaster 700 — Refurbished Swept-Source OCT Biometer
The Zeiss IOLMaster 700 is the current gold standard of optical biometry. It replaces partial coherence interferometry (PCI) with swept-source OCT to measure through dense posterior subcapsular cataracts that defeat older biometers — cataracts that are precisely the patients most likely to need accurate IOL calculations. This refurbished Zeiss IOLMaster 700 delivers the complete feature set including total keratometry, lens tilt visualization, and CALLISTO eye integration capability at a significant discount below new equipment pricing.
Published IOL calculation research consistently shows that swept-source OCT biometry and posterior corneal power measurement — the two key IOLMaster 700 advances — reduce residual refractive error in toric and premium IOL cases compared to prior-generation devices.
A National Library of Medicine study confirms that optical biometry using total keratometry measurements delivers significantly improved IOL power calculation accuracy for cataract surgery planning.
What’s Included
- Zeiss IOLMaster 700 biometer
- Integrated workstation and IOLMaster software
- Patient chin and head rest
- Power and data cables
- 6-month Digital Eye Center warranty
Why Cataract Surgeons Choose the Zeiss IOLMaster 700
- Swept-source OCT biometry — 1,050 nm SS-OCT measures axial length, ACD, lens thickness, and corneal radii through dense cataracts where PCI devices return measurement errors or require repeated attempts
- Total keratometry (TK) — measures posterior corneal power directly instead of estimating it; eliminates the systematic toric IOL calculation error from unmeasured posterior astigmatism
- Visualization of the full optical pathway — lens tilt, lens thickness, and vitreous length displayed as an OCT cross-section; identifies complex cases before the OR
- CALLISTO eye integration — transfers biometry data directly to the intraoperative guidance system; digital toric marking eliminates manual ink marks and measurement transcription errors
- Fixation check on every measurement — confirms patient cooperation and measurement reliability; flags unreliable outliers before they enter your IOL formula
- Barrett Universal II and advanced formulas built in — current-generation IOL formulas pre-installed; no third-party calculation required
- Single-unit compact design — no separate topographer or corneal analyzer needed for toric planning; one measurement session covers the full biometry workup
IOLMaster 700 vs. IOLMaster 500 — Key Differences
- Technology: SS-OCT (700) vs. partial coherence interferometry (500) — the 700 measures through cataracts the 500 can’t
- Total keratometry: available on 700 only — critical for accurate toric IOL power and axis calculation
- CALLISTO integration: 700 only — digital intraoperative guidance from biometry data
- Lens tilt visualization: 700 only — OCT cross-section of the entire anterior segment
Who This Is For
- Cataract surgeons offering premium IOLs — toric, multifocal, EDOF outcomes depend on accurate posterior corneal power; the IOLMaster 700 is the device these calculations were validated on
- ASCs and surgical practices upgrading from IOLMaster 500, Lenstar, or other PCI/optical biometers
- High-volume cataract programs — SS-OCT’s dense-cataract capability reduces measurement failures that slow OR scheduling
- Refractive-cataract surgeons using CALLISTO eye — complete the digital workflow from biometry to intraoperative guidance without manual transcription
Technical Specifications
| Spec | Detail |
| Manufacturer | Carl Zeiss Meditec |
| Model | IOLMaster 700 |
| Technology | Swept-source OCT (SS-OCT), 1,050 nm |
| Measurements | Axial length, ACD, lens thickness, corneal radii, WTW, pupil size |
| Total Keratometry (TK) | Yes — posterior corneal power measured directly |
| Dense Cataract Capability | Yes — SS-OCT penetrates posterior subcapsular and dense opacities |
| CALLISTO Integration | Yes |
| IOL Formulas | Barrett Universal II, SRK/T, Holladay, Hoffer Q, Haigis and others |
| Visualization | Full optical pathway OCT cross-section (lens tilt, lens thickness) |
| Condition | Refurbished |
| Warranty | 6 months |
Condition & Warranty
Refurbished. This Zeiss IOLMaster 700 has been fully tested and calibration-verified by a certified ophthalmic equipment technician. Covered by a 6-month warranty on parts and workmanship.
Compare Zeiss Biometry Options
| Feature | IOLMaster 700 | IOLMaster 500 |
| Technology | Swept-source OCT | Partial coherence interferometry |
| Dense cataract measurement | ✓ | Limited |
| Total keratometry (TK) | ✓ | — |
| CALLISTO integration | ✓ | — |
| Lens tilt visualization | ✓ | — |
| Price | $37,500 | $12,825 |
Looking for a combined biometer and corneal topographer? See the Topcon Aladdin-M — biometry plus Placido topography in one platform.
Questions about the Zeiss IOLMaster 700? Contact us — we’ll confirm software version and CALLISTO compatibility for your OR setup.
