Description
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
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.
Zeiss IOLMaster 700 — Refurbished Swept-Source OCT Biometer

A National Library of Medicine study confirms that IOL power calculation formulas using total keratometry deliver significantly improved accuracy for cataract surgery planning, including in eyes with prior refractive surgery.
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 in 6 meridians instead of estimating it; eliminates the systematic toric IOL calculation error from unmeasured posterior astigmatism
- Full optical pathway visualization — 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
- 99% cataract penetration rate — SS-OCT succeeds where PCI fails; fewer unable-to-measure cases and smoother OR scheduling
Clinical Applications

- Toric IOL planning — total keratometry eliminates estimation of posterior corneal astigmatism; more accurate axis and power selection for toric implants
- Premium IOL consultation — multifocal and EDOF candidates evaluated with the same SS-OCT data used in peer-reviewed formula validation studies
- Post-refractive cataract surgery — enhanced IOL formulas and TK measurements improve power accuracy in eyes with prior LASIK, PRK, or radial keratotomy
- Dense cataract cases — SS-OCT penetrates posterior subcapsular and brunescent cataracts that block PCI measurement; reduces pre-op uncertainty
- Intraoperative digital workflow — CALLISTO eye integration converts biometry data into real-time OR guidance without manual axis marking or data transcription
- Complex anterior segment assessment — lens tilt visualization flags cases with zonular laxity or implant decentration risk before the patient reaches the OR
Who This Is For
- Cataract surgeons offering premium IOLs — toric, multifocal, and EDOF outcomes depend on accurate posterior corneal power; the IOLMaster 700 is the device these formulas were validated on
- ASCs and surgical practices upgrading from IOLMaster 500, Lenstar, or other PCI/optical biometers seeking fewer measurement failures
- High-volume cataract programs — 99% penetration rate reduces unable-to-measure cases that delay 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 in 6 meridians |
| Dense Cataract Capability | Yes — 99% penetration rate through posterior subcapsular and brunescent opacities |
| Measurement Speed | Both eyes in under 45 seconds |
| CALLISTO Integration | Yes — digital intraoperative guidance from biometry data |
| IOL Formulas | Barrett Universal II, SRK/T, Holladay, Hoffer Q, Haigis, and others |
| Visualization | Full optical pathway OCT cross-section — lens tilt, lens thickness, vitreous length |
| Condition | Refurbished |
| Warranty | 6 months |
Compare Zeiss Biometry Options
| Feature | IOLMaster 700 | IOLMaster 500 |
| Technology | Swept-source OCT | Partial coherence interferometry |
| Dense cataract measurement | ✓ (99% penetration) | Limited |
| Total keratometry (TK) | ✓ | — |
| CALLISTO integration | ✓ | — |
| Lens tilt visualization | ✓ | — |
| Price | $37,500 | $7,125 |
Looking for a combined biometer and corneal topographer? See the Topcon Aladdin-M — biometry plus Placido topography in one platform at $16,500.
Questions about the Zeiss IOLMaster 700? Contact us for availability and software version details.

