Description
What’s Included
- Marco SL-B3 LED slit lamp unit
- Optilasa applanation tonometer
- Patient chin/head rest
- Power cable
- Dust cover
- 90-day Digital Eye Center warranty
Condition & Warranty
Used. Tested and confirmed fully operational prior to shipping. Covered by a 90-day warranty on parts and workmanship.
Marco Slit Lamp Used — LED Illumination with Optilasa Tonometer
The Marco SL-B3 marco slit lamp delivers reliable, clinic-ready performance in a tower-illumination design built for everyday anterior segment examination. Powered by an energy-efficient LED light source, this marco slit lamp produces bright, consistent, true-color illumination without the heat and bulb-replacement overhead of older halogen systems. This used unit ships complete with an Optilasa applanation tonometer — giving practices a fully integrated IOP-measurement workstation from day one, without sourcing a separate tonometer.
The National Library of Medicine confirms that slit lamp biomicroscopy remains the foundational method for cornea and anterior eye assessment, enabling evaluation of conditions from epithelial defects to angle structures across all clinical settings.
Why Practices Choose the Marco SL-B3
3-step magnification (10×, 16×, 25×) — covers screening, routine exam, and detailed anterior segment work without switching instruments.- LED light source — long-lasting, maintenance-free illumination with true color rendition; eliminates bulb replacement and reduces heat exposure to the patient.
- Tower-style illumination — proven, stable delivery path that keeps the illumination column and observation axis locked for consistent beam control across all slit widths.
- Continuously variable slit (0–12 mm width, 1–12 mm length) — precise slit sizing for diffuse illumination, optical section, sclerotic scatter, and retroillumination techniques.
- Full filter set — cobalt blue for fluorescein evaluation, red-free for vessel and nerve fiber contrast, neutral density for photosensitive patients, plus diffuser and IR heat absorber.
- ±90° slit angle / ±180° rotation — full freedom to position the beam at any meridian for limbal, corneal, or gonioscopic work.
- Optilasa tonometer included — Goldmann-style applanation tonometry capability ships with the unit; no additional purchase required for a complete anterior segment station.
- Flexible red LED fixation target — continuously adjustable fixation cable keeps patients on-axis during examination without requiring head repositioning.
Clinical Applications
- Corneal evaluation — optical section for stromal clarity, depth of foreign bodies, epithelial defects, and corneal edema grading.
- Anterior chamber assessment — flare and cell grading, depth estimation, gonioscopy support, and angle evaluation.
- Lens examination — nuclear, cortical, and posterior subcapsular cataract grading; post-operative IOL positioning and haptic visualization.
- IOP measurement — Goldmann applanation tonometry with the bundled Optilasa tonometer for accurate, standard-of-care intraocular pressure readings.
- Conjunctival and lid margin assessment — diffuse and focal illumination for follicular conjunctivitis, meibomian gland evaluation, and lid structural abnormalities.
- Fluorescein examination — cobalt blue filter for contact lens fit assessment, corneal staining patterns, and tear break-up time.
Who This Is For
- General ophthalmology and optometry practices needing a dependable daily-use slit lamp with integrated tonometry at a practical price point.
- Secondary locations and satellite offices where a full-featured instrument is required but capital budgets favor pre-owned equipment.
- Mobile and community screening programs that need a complete anterior segment and IOP workstation in a single compact setup.
- Residency programs and teaching clinics adding a well-specified unit to clinical bays without premium new-equipment spend.
- International practices seeking a reliable American-brand slit lamp with LED illumination at accessible pricing.
Technical Specifications
| Specification | Detail |
| Magnification | 3-step: 10×, 16×, 25× |
| Field of View | 22 mm / 14 mm / 8.5 mm |
| Illumination Style | Tower-style |
| Light Source | LED |
| Slit Width | 0–12 mm continuously variable |
| Slit Length | 1–12 mm continuously variable |
| Slit Angle | ±90° continuous |
| Slit Rotation | ±180° with reference scale |
| Slit Vertical Tilt | 0°, 5°, 10°, 15°, 20° |
| Filters | Clear, Red-Free, Neutral Density, Cobalt Blue, Yellow, Diffuser, IR Heat Absorbing |
| Fixation Target | Flexible red LED on shrouded cable |
| Tonometer | Optilasa applanation (included) |
| Condition | Used |
| Warranty | 90-day parts and workmanship |
Compare Slit Lamp Options
| Feature | Marco SL-B3 | Topcon SL-2G | Haag-Streit BM 900 | Marco G5 Ultra |
| Magnification | 3-step (10×, 16×, 25×) | 5-step | 2-step (10×, 16×) | 5-step |
| Illumination | Tower-style LED | Haag-Streit-style LED | Haag-Streit-style LED | LED |
| Tonometer Included | Yes (Optilasa) | Yes (Haag-Streit 870) | No | No |
| Condition | Used | Used | Used | Used |
| Warranty | 90 days | 90 days | 90 days | 90 days |
Looking for a different slit lamp configuration? Browse our Haag-Streit BQ 900 with AT 900 tonometer for a premium Haag-Streit option with integrated tonometry.
Questions about the Marco SL-B3? Contact us for availability and shipping details.
