Description
What’s Included
- Topcon CA-800 corneal analyzer main unit
- Patient table with chinrest and headrest
- All standard cables and power supply
- 90-day Digital Eye Center warranty on parts and workmanship
Condition & Warranty
Used. This Topcon CA-800 has been inspected and function-tested across Placido corneal topography, wavefront aberration analysis, infrared meibography, NITBUT, and fluorescein imaging modes. All measurement functions and touchscreen interface confirmed operational. Covered by a 90-day warranty on parts and workmanship through Digital Eye Center.
Topcon CA-800 Corneal Analyzer — Used 6-in-1 Topographer, Meibographer, Wavefront & Tear Film Analyzer
The Topcon CA-800 is a comprehensive anterior segment and ocular surface analyzer — integrating Placido disc corneal topography, wavefront/Zernike aberration analysis, infrared meibography, fluorescein imaging, non-invasive tear film break-up time (NITBUT), and contact lens simulation in a single touchscreen workstation that replaces multiple standalone instruments in dry eye clinics, refractive surgery programs, and comprehensive ophthalmology practices. This used Topcon CA-800 delivers the multi-modal anterior segment diagnostic platform needed to evaluate corneal topography, higher-order aberrations, meibomian gland structure, and tear film dynamics from a single instrument in a single patient encounter.
The Topcon CA-800‘s infrared meibography captures non-contact images of upper and lower eyelid meibomian glands, enabling the morphological gland assessment and dropout grading that clinical guidelines now recommend as a primary diagnostic tool for evaporative dry eye and meibomian gland dysfunction. The TFOS DEWS II Diagnostic Methodology report published in Ocular Surface (National Library of Medicine, 2017) established meibography as a recommended diagnostic tool in the dry eye assessment pathway — directly validating the meibomian gland imaging capability of the Topcon CA-800 as clinically essential for meibomian gland dysfunction diagnosis and evaporative dry eye management.
Why Practices Choose the Topcon CA-800
- Infrared meibography — upper and lower eyelid — Non-contact infrared imaging of meibomian glands in both upper and lower eyelids provides the structural dropout grading needed to diagnose evaporative dry eye severity, stage meibomian gland dysfunction progression, and document treatment response to IPL, warm compresses, or probing procedures over serial visits.
- Placido disc corneal topography — Full-field anterior corneal mapping reveals irregular astigmatism, keratoconus, pellucid marginal degeneration, and post-surgical corneal changes with the topographic detail needed to guide toric IOL planning, LASIK candidacy screening, contact lens fitting, and ectasia risk assessment.
- Wavefront/Zernike higher-order aberration analysis — Wavefront aberration mapping quantifies higher-order aberrations (coma, trefoil, spherical aberration) that degrade visual quality beyond what manifest refraction or topography alone captures — supporting premium IOL selection, refractive surgery outcome prediction, and post-surgical optical quality assessment.
- Non-invasive tear film break-up time (NITBUT) — Placido ring reflection analysis measures first and average tear film break-up time without fluorescein instillation — providing objective, reproducible tear film stability data for dry eye diagnosis and treatment monitoring that does not interfere with subsequent contact lens fitting measurements.
- Fluorescein imaging mode — Integrated fluorescein imaging mode documents corneal epithelial staining patterns, tear film fluorescein break-up time, and contact lens fluorescein patterns — all from the same instrument without patient repositioning to a separate slit lamp.
- Pupillometry — scotopic and photopic — Automated pupil diameter measurement under scotopic and photopic conditions identifies patients with large mesopic pupils that exceed planned laser ablation zones or premium IOL optical zones — providing the candidacy screening data that refractive surgery and premium IOL programs require.
- Contact lens simulation — Software simulation of RGP, soft toric, orthokeratology, and scleral lens designs on the measured corneal topography enables fitting parameter selection and patient education from topography data before lens application — reducing chair time during specialty contact lens fittings.
- Touchscreen integrated workstation — All six measurement modes are accessed from a single touchscreen interface with integrated data storage and report generation — eliminating the data export and manual transcription steps required when using multiple standalone instruments for the same diagnostic protocol.
Clinical Applications
- Dry eye diagnosis and monitoring — The CA-800’s meibography, NITBUT, and fluorescein imaging together provide the complete multi-modal dry eye work-up recommended by TFOS DEWS II: meibomian gland structural assessment, tear film stability measurement, and corneal staining documentation in a single instrument without patient repositioning between tests.
- Meibomian gland dysfunction grading — Infrared meibography images are analyzed for gland dropout percentage, gland tortuosity, and orifice plugging — providing the structural grading data that determines MGD severity staging and guides escalation from warm compresses to IPL, probing, or LipiFlow treatment decisions.
- Refractive surgery screening — Placido topography, wavefront aberration mapping, and NITBUT together provide the comprehensive pre-surgical screening needed to identify LASIK and PRK contraindications: irregular astigmatism, keratoconus, high HOAs, and dry eye–related topography variability that would compromise laser ablation outcomes.
- Premium IOL candidacy assessment — Combined topography, wavefront HOA analysis, and meibomian gland evaluation together identify patients suitable for EDOF, multifocal, or toric IOL implantation — and those with HOAs, irregular corneas, or dry eye surface instability that would undermine premium IOL visual quality expectations.
- Specialty contact lens fitting — Corneal topography, simulated fluorescein patterns, and NITBUT data together provide the complete fitting dataset for RGP, scleral, orthokeratology, and post-surgical specialty lens designs that require detailed anterior surface characterization beyond flat/steep keratometry.
- Post-refractive surgery assessment — Serial topography maps and wavefront aberration measurements document optical outcomes after LASIK, PRK, or corneal crosslinking — with NITBUT providing the dry eye surface monitoring needed to distinguish symptomatic refractive outcomes caused by corneal surface instability from those caused by residual optical error.
Who This Is For
- Dry eye specialty practices — the Topcon CA-800 delivers the multi-modal dry eye diagnostic workflow — meibography, NITBUT, fluorescein imaging, and topography — from a single instrument, replacing multiple standalone devices and enabling the comprehensive dry eye work-up that differentiates aqueous-deficient from evaporative dry eye for treatment protocol selection.
- Refractive surgery programs — combined Placido topography, wavefront aberration analysis, pupillometry, and NITBUT provide the complete pre-surgical screening dataset required for LASIK and PRK candidacy assessment, premium IOL selection, and post-operative optical quality documentation from one instrument.
- Comprehensive ophthalmology and optometry practices adding multi-modal anterior segment diagnostics — the CA-800’s integrated platform brings meibography capability to practices that currently refer MGD imaging elsewhere, while adding HOA analysis and objective NITBUT to the existing topography workflow.
- Contact lens specialty practices — Placido topography, fluorescein simulation, and NITBUT together provide the complete specialty lens fitting dataset for RGP, scleral, orthokeratology, and post-surgical fits in a single pre-fitting measurement session.
- Academic and research ophthalmology — The CA-800’s multi-modal data output and integrated storage support clinical research protocols requiring simultaneous topography, aberrometry, meibography, and tear film data collection in the same patient encounter for dry eye, refractive, and contact lens research studies.
Technical Specifications
| Specification | Detail |
| Functions | Corneal topography, wavefront/Zernike, meibography, fluorescein imaging, NITBUT, pupillometry, contact lens simulation |
| Topography System | Placido disc |
| Aberration Analysis | Wavefront / Zernike higher-order aberrations |
| Meibography | Infrared non-contact — upper and lower eyelid |
| Tear Film | Non-invasive tear film break-up time (NITBUT) — first and average |
| Fluorescein | Integrated fluorescein imaging mode |
| Pupillometry | Scotopic and photopic pupil diameter |
| Interface | Integrated touchscreen workstation |
| Manufacturer | Topcon Corporation, Japan |
| Condition | Used |
| Warranty | 90 days |
Compare Corneal Analysis & Dry Eye Diagnostic Options
| Feature | Topcon CA-800 | Topcon KR-1W | Zeiss Atlas 9000 |
| Corneal Topography | Yes — Placido | Yes — Placido | Yes — Placido (22-ring) |
| Wavefront / HOA | Yes — Zernike | Yes — wavefront | No |
| Meibography | Yes — infrared | No | No |
| NITBUT / Tear Film | Yes | No | No |
| Condition | Used | Used | Refurbished |
| Price | $8,900 | $10,500 | $10,000 |
Questions about the Topcon CA-800? Contact us for availability and shipping details.
