Description
What’s Included
- Keeler 40H slit lamp (tower illumination design)
- Keeler D-KAT digital applanation tonometer
- Power supply assembly and connection cables
- 90-day Digital Eye Center warranty
Condition & Warranty
Used. This Keeler 40H workstation has been inspected and functionally tested across its optics, illumination, joystick travel, magnification drum, and D-KAT tonometer response. The optics are clean and bright, the mechanical joystick moves smoothly on the X-Y-Z axes, and the unit shows only minor cosmetic signs of prior clinical use. Covered by a 90-day warranty on parts and workmanship.
Keeler 40H Slit Lamp — Used Tower Workstation with D-KAT Tonometry
The Keeler 40H slit lamp is a tower-illumination examination workstation built around a Galilean binocular microscope and a five-step magnification drum (6×, 10×, 16×, 25×, and 40×). That range lets a clinician move from low-power structural overviews to high-magnification endothelial and anterior-segment detail on a single instrument. Paired here with the Keeler D-KAT digital applanation tonometer, this Keeler 40H slit lamp package brings Goldmann-standard intraocular pressure measurement directly into the main exam lane.
The D-KAT replaces the classic manual reading drum with a clear digital display, reducing the small estimation errors that come from reading fine mechanical dial lines while preserving the Goldmann applanation contact method clinicians already trust.
A comparative analysis of intraocular pressure measurement methods indexed by the National Library of Medicine reports that Goldmann-standard applanation remains the clinical reference for accurate IOP assessment.
Why Practices Choose the Keeler 40H & D-KAT
- Five-step magnification — 6× through 40× on a rotating drum, wider than the two- and three-step changers on many comparable lamps
- Tower illumination — continuously variable slit width from 0 to 12 mm for precise beam control
- Full aperture set — 0.2, 1, 2, 3, 5, 9, and 12 mm apertures for flexible examination geometry
- Integrated filters — clear, red-free, neutral density, diffuser, blue, and heat-absorbing options
- Digital tonometry — D-KAT displays Goldmann-standard IOP on a high-visibility screen inside the exam lane
- Smooth mechanics — precise X-Y-Z joystick control for repeatable positioning
Clinical Applications
- Anterior-segment examination of the cornea, iris, and lens
- Intraocular pressure measurement with Goldmann-standard applanation tonometry
- Endothelial and high-magnification detail assessment
- Glaucoma monitoring and routine comprehensive eye exams
- Contact lens fitting and follow-up evaluation
Who This Is For
- Ophthalmology and optometry practices building or expanding an exam lane
- Clinics that want integrated digital tonometry on the slit lamp
- Buyers seeking a proven Keeler tower workstation at a used-equipment price
Technical Specifications
| Specification | Detail |
| Manufacturer | Keeler |
| Model | 40H |
| Microscope type | Galilean binocular |
| Magnification | 5-step drum: 6×, 10×, 16×, 25×, 40× |
| Illumination | Tower slit projection |
| Slit width | Continuously variable, 0 to 12 mm |
| Apertures | 0.2, 1, 2, 3, 5, 9, 12 mm |
| Filters | Clear, red-free, neutral density, diffuser, blue, heat-absorbing |
| Tonometer | Keeler D-KAT digital applanation (Goldmann-standard) |
| Condition | Used |
| Warranty | 90 days |
Compare Slit Lamp Options
| Feature | Keeler 40H | Topcon SL-2G | Zeiss SL-115 |
| Magnification | 5-step: 6×–40× | 3-step: 10×/16×/25× | 3-step: 8×/12×/20× |
| Illumination | Tower | Halogen | Halogen |
| Tonometer | Keeler D-KAT digital | Haag-Streit 870 manual | Haag-Streit AT 870 manual |
| Condition | Used | Used | Used |
| Price | $4,400 | $4,200 | $3,850 |
Also consider the Topcon SL-2G or the Carl Zeiss SL-115 if you prefer a manual applanation tonometer on a three-step microscope.
Questions about the Keeler 40H slit lamp? Contact us for availability and shipping details.
