Keeler 40H Slit Lamp w/ D-KAT Tonometer – Used

Description

Condition & Warranty

Used. This Keeler 40H Slit Lamp with D-KAT Digital Tonometer package has been fully inspected and technically serviced to ensure optimal operational performance. The renowned Keeler optics are completely clean, bright, and free of internal cloudiness or deep aberrations. The mechanical joystick moves smoothly along the X-Y-Z planes, and the 5-step magnification drum shifts smoothly and locks securely into every detent. The D-KAT digital tonometer has been carefully verified, displaying crisp numeric values with ideal calibration responsiveness. The package shows minor superficial signs of clinical use as expected for a used examination workstation. Covered by a 90-day warranty on parts and workmanship.

Keeler 40H Slit Lamp — Used Workstation with Digital Applanation Tonometry

The Keeler 40H is an exceptional, high-performance tower-illumination slit lamp designed to deliver absolute diagnostic precision and daily workflow efficiency. Utilizing a premium Galilean optical microscope path, the 40H features a versatile 5-step rotational magnification changer ($6\times$, $10\times$, $16\times$, $25\times$, and $40\times$). This wide range allows the clinician to seamlessly transition from low-power macroscopic structural overviews to high-magnification endothelial inspections with superb depth of field and color rendering.

This premium setup includes the Keeler D-KAT Digital Applanation Tonometer, which integrates directly into the slit lamp workstation. Utilizing modern microprocessor circuitry, the D-KAT upgrades the classic manual reading drum with a clear, high-visibility digital display screen. This eliminates the minor visual estimation errors often associated with reading tiny physical lines on mechanical tonometer dials. By incorporating Goldmann-standard contact physics into a digital interface, this package provides exceptionally accurate intraocular pressure (IOP) readings right inside your main examination lane.

Research published in the National Library of Medicine notes that automated digital applanation tonometers maintain superior alignment consistency and remove subjective scale interpretation errors, confirming their role as a premier diagnostic tool for evaluating intraocular pressure trends in comprehensive glaucoma management.

Why Practices Choose the Keeler 40H & D-KAT

• Flagship Keeler Optics — British-engineered optical paths deliver outstanding geometric clarity, edge-to-edge brightness, and incredible contrast definition

• 5-Step Galilean Magnification Changer — Drum control offers rapid transitions across $6\times$, $10\times$, $16\times$, $25\times$, and $40\times$ power steps to optimize diagnostic screening flexibility

• Keeler D-KAT Digital Display — Provides an instantaneous, clear numeric readout of applanation force down to decimals, reducing operator reading bias and ambient light limitations

• Classic Tower Illumination (Haag-Streit Style) — Offers a tilting illumination column capable of full $90^\circ$ tracking, critical for advanced diagnostic lighting like sclerotic scatter and retro-illumination

• Fluid Joystick Mechanics — Ergonomic single-handed control column allows for smooth horizontal tracking and precise mechanical Z-axis height adjustments

• Built-in Diagnostic Filter Array — Features instantly switchable Cobalt Blue, Red-Free (Green), Neutral Density, and Heat-Absorbing optical filters

• Rugged, British-Built Reliability — Heavy-duty internal castings and self-lubricating mechanics prevent tracking drift and structural fatigue over years of high-volume use

Clinical Applications

• Advanced Anterior Segment Biomicroscopy assessing localized corneal changes, foreign bodies, complex dry eye profiles, and pre/post-operative cataract stages

• Digital Goldmann-Standard Tonometry capturing precise intraocular pressure readings to evaluate glaucoma risks without dial visual misinterpretations

• Fluorescein Contact Lens Evaluations utilizing the built-in high-contrast cobalt blue illumination to closely check rigid gas permeable (RGP) or soft lens fitting patterns

• Posterior Pole Screenings pairing the tower optical column with specialized auxiliary lenses (like a 90D or 78D lens) to visually map out macular health and optic disc structures

Who This Is For

• Optometrists and Ophthalmologists who require a flagship tower slit lamp paired with the advanced readout precision of digital applanation tonometry

• High-Volume Core Diagnostic Lanes needing a highly reliable, heavy-duty optical workstation capable of maintaining accurate performance day after day

• Progressive Eye Centers seeking to modernize their primary subjective lane by replacing mechanical tonometer dials with digital display technology

Technical Specifications