Description
What’s Included
- Topcon KR-1W main unit
- Patient chin and forehead rest assembly
- Power cable
- Dust cover
- 90-day Digital Eye Center warranty
Condition & Warranty
Used. This Topcon KR-1W has been tested and is in excellent working order including full wavefront, topography, autorefraction, and keratometry function; the unit shows some signs of cosmetic wear as expected for used equipment. Carefully tested and cleaned before shipping. Covered by a 90-day warranty on parts and workmanship.
Topcon KR-1W — Used Wavefront Analyzer, Autorefractor, Keratometer, and Corneal Topographer
The Topcon KR-1W is the most capable instrument in Topcon’s KR autorefractor/keratometer family — combining Hartmann-Shack wavefront aberrometry, objective autorefraction, keratometry, and corneal topography in a single non-contact platform. This used Topcon KR-1W replaces four separate instruments in pre-operative refractive surgery workups, contact lens fitting consultations, and irregular cornea evaluations, all without any patient contact. For practices that need wavefront and topography data in one measurement pass, the KR-1W delivers a workflow that no standard autorefractor can match.
Clinical evidence published by the National Library of Medicine demonstrates that combined wavefront aberrometry and corneal topography measurements are essential for screening LASIK and PRK candidates, identifying irregular astigmatism, and optimizing wavefront-guided treatment planning — exactly the multi-function capability the Topcon KR-1W provides in a single instrument.
Key Features of the Topcon KR-1W Wavefront Analyzer
- Hartmann-Shack wavefront aberrometry — measures higher-order aberrations (HOA) including coma, trefoil, and spherical aberration; essential for pre-operative LASIK screening and quality-of-vision analysis
- Placido-disc corneal topography — full anterior corneal surface mapping for keratoconus detection, contact lens fitting, post-surgical ectasia monitoring, and irregular astigmatism characterization
- Integrated autorefraction and keratometry — objective refraction and K-readings in the same measurement; no separate instrument or patient repositioning required
- Non-contact measurement — all four measurement modalities performed without touching the cornea; fast, comfortable, and appropriate for post-surgical and contact lens-wearing patients
- Wavefront and topography correlation — combined display linking corneal topography maps to wavefront aberration profiles for surgical planning and irregular cornea management
- Compact single-instrument footprint — replaces separate autorefractor, keratometer, and topographer units; simplifies lane setup and patient flow in pre-operative screening rooms
- Color topographic mapping — axial, tangential, and elevation maps with clinical interpretation scales for keratoconus staging and post-refractive screening
Clinical Applications
- LASIK and PRK pre-operative screening — wavefront aberrometry identifies higher-order aberrations that affect surgical outcomes; topography detects subclinical keratoconus and irregular astigmatism that would contraindicate surgery
- Keratoconus detection and staging — Placido topography identifies cone location, steepening patterns, and progression markers; essential for cross-linking candidate screening and monitoring
- Contact lens fitting — topography maps guide scleral and RGP lens selection; keratometry values optimize base curve calculations for standard and specialty contact lenses
- Post-refractive surgery follow-up — topography tracks corneal regularization and regression after LASIK/PRK; wavefront monitors resolution of post-surgical aberrations
- Irregular astigmatism management — combined wavefront and topography differentiates corneal from internal aberrations, guiding therapeutic contact lens prescribing and surgical planning
- Routine refraction and corneal screening — autorefraction and K-readings for standard pre-prescription workup, expediting lane throughput for high-volume practices
Who This Is For
- Refractive surgery practices — pre-operative wavefront + topography screening in a single instrument is the standard workflow for LASIK and PRK candidate evaluation
- Cornea specialists and anterior segment practices — keratoconus monitoring, post-keratoplasty topography, and irregular cornea management all require the topographic detail the KR-1W provides
- High-volume optometry and ophthalmology practices — four measurement modalities in one non-contact pass reduces lane time and equipment footprint without sacrificing diagnostic data
- Specialty contact lens practices — topography-guided scleral and RGP fitting requires the corneal surface detail the KR-1W delivers as part of its standard measurement set
Technical Specifications
| Spec | Detail |
| Manufacturer | Topcon |
| Model | KR-1W |
| Measurement Functions | Wavefront aberrometry, autorefraction, keratometry, corneal topography |
| Wavefront Technology | Hartmann-Shack wavefront sensor |
| Topography Technology | Placido disc |
| Measurement | Non-contact (no tonometry tip or corneal contact required) |
| Refraction Range | Sphere: ±22D; Cylinder: ±10D |
| Keratometry Range | 5.0 to 10.0 mm (33.75 to 67.50 D) |
| Aberration Output | Zernike polynomials up to 6th order; higher-order aberration maps |
| Condition | Used |
| Warranty | 90 days |
Compare Topcon KR Autorefractor Options
| Model | Wavefront | Topography | Condition | Price |
| KR-1W (this unit) | Yes | Yes (Placido) | Used | $10,500 |
| KR-1 Autorefractor | No | No | Open Box | $9,500 |
| KR-800s Autorefractor | No | No | Used | $7,700 |
| Topcon Aladdin-M Biometer | No | Yes (Placido) | Brand New | $16,500 |
Questions about the Topcon KR-1W? Contact us — we can confirm software version details, wavefront output formats, and financing options.
