Zeiss IOLMaster – 5.4 – Refurbished

Description

What’s Included

• Zeiss IOLMaster biometer main unit (version 5.4 software)
• Patient chin and forehead rest assembly
• Power cable and accessories
• 6-month Digital Eye Center warranty

Condition & Warranty

Refurbished. This Zeiss IOLMaster has been inspected and verified for accurate optical biometry output including axial length, keratometry, anterior chamber depth, and IOL power calculation. All functions are confirmed operational before shipping. Covered by a 6-month warranty on parts and workmanship.

Zeiss IOL Master 5.4 — Refurbished Optical Biometer for IOL Power Calculation

The Zeiss IOL Master 5.4 is the instrument that defined optical biometry for cataract surgery — the first device to establish partial coherence interferometry as the non-contact standard for axial length measurement and IOL power calculation, replacing contact ultrasound A-scan biometry across high-volume cataract practices worldwide. This refurbished Zeiss IOL Master 5.4 delivers the complete biometry dataset that cataract surgeons need preoperatively: axial length via PCI, corneal curvature (K-readings), anterior chamber depth, white-to-white diameter, and pupil size — all captured without patient contact in a single measurement session. At $7,125 with a 6-month warranty, the Zeiss IOL Master 5.4 provides proven optical biometry capability at the most accessible price point in the IOLMaster lineup. Research published in International Ophthalmology confirms that partial coherence interferometry delivers accurate IOL power calculation across a wide range of axial lengths — including high myopia — validating the clinical reliability of the PCI method at the core of the IOL Master platform.

Why Practices Choose the Zeiss IOL Master 5.4

• Partial coherence interferometry (PCI) axial length — non-contact optical measurement to 0.01mm precision; the technology that replaced contact ultrasound A-scan as the standard for IOL power calculation in phakic eyes and most cataract surgery cases.

• Integrated IOL power calculation formulas — SRK/T, Holladay, Haigis, Hoffer Q, and other standard formulas built into the v5.4 software; target refraction input and multi-formula comparison for optimized IOL selection at the pre-operative planning stage.
• Keratometry (K-readings) — corneal curvature in two meridians for astigmatism documentation and toric IOL axis planning; K-readings complement refraction data for premium IOL candidate screening.
• Anterior chamber depth (ACD) — optical ACD measurement for ACD-dependent formulas (Haigis, Olsen); critical for accurate IOL power prediction in eyes with unusual axial length or anterior segment geometry.
• White-to-white and pupil size measurement — horizontal corneal diameter and pupil documentation for phakic IOL sizing and complete pre-operative biometry records.
• Non-contact workflow — no eye drops, no contact probe, no cross-contamination risk; the patient rests their chin on the forehead rest and fixates; measurements are captured without touching the cornea.
• Refurbished pricing with warranty — proven Zeiss optical biometry at $7,125 with a 6-month warranty; appropriate for practices adding biometry capability or replacing an aging unit.

Clinical Applications

• Preoperative cataract biometry — complete biometry dataset (axial length, K-readings, ACD, W-to-W) for IOL power selection in a single non-contact session; the standard pre-operative measurement workflow for routine cataract surgery planning.
• Toric IOL planning — K-readings and axial length for toric IOL power selection and axis placement; astigmatism documentation for premium IOL surgical planning.
• Premium IOL candidate evaluation — biometry parameters to assess suitability for multifocal or extended depth-of-focus IOLs; ACD and axial length measurements that inform formula selection for premium IOL implantation.
• High myopia and unusual axial lengths — PCI-based measurement is reliable across a wider range of axial lengths than contact ultrasound; the IOL Master 5.4 handles long and short eyes that challenge immersion A-scan technique.
• Postoperative refractive outcome optimization — accurate preoperative biometry reduces the incidence of unexpected postoperative refractive surprises; supports the predictable outcomes that premium IOL patients require.

Who This Is For

• Cataract practices adding or replacing optical biometry — the refurbished IOL Master 5.4 at $7,125 provides optical biometry capability for practices transitioning from contact ultrasound A-scan or replacing a failed biometer at below-market pricing.
• Practices offering premium IOL services — accurate optical biometry is a prerequisite for toric and multifocal IOL implantation; the IOL Master 5.4 provides the measurement precision that premium IOL outcomes depend on.
• ASC and hospital cataract programs — equips a dedicated pre-operative biometry station at ambulatory surgery centers or hospital cataract programs at refurbished pricing.
• Practices not yet ready for swept-source OCT biometry — the IOL Master 5.4 delivers clinically proven PCI biometry for practices where the IOLMaster 700’s additional features are not yet required.

Technical Specifications

Compare Zeiss IOLMaster Versions

Practices that also need corneal topography may consider the Zeiss Atlas 9000 corneal topographer as a complementary instrument to the IOL Master 5.4 for comprehensive cataract surgery planning.

Questions about the Zeiss IOL Master 5.4? Contact us for availability, software version details, and shipping information.