Description
This exact unit sold recently — but we specialize in sourcing refurbished ophthalmic equipment. Typical turnaround is 2–4 weeks once we confirm availability with our partners. Request a free quote with no deposit required.
Request Availability → Free quote · No obligation · 90-day warranty when shipped
What’s Included
- Haag Streit BM900 LED slit lamp main unit
- AT 900 Goldmann applanation tonometer (mounted)
- Patient table with chinrest and headrest
- Full filter set (cobalt blue, red-free, diffuser)
- All standard accessories and power supply
- 90-day Digital Eye Center warranty on parts and workmanship
Condition & Warranty
Used. This Haag Streit BM900 LED slit lamp has been inspected and function-tested across all illumination modes, magnification steps, and beam control functions. LED light source and cobalt blue filter confirmed operational. AT 900 Goldmann tonometer calibration and prism alignment verified. Covered by a 90-day warranty on parts and workmanship through Digital Eye Center.
Haag Streit BM900 LED Slit Lamp — Used 900-Series Biomicroscope with LED Illumination & AT 900 Tonometer
The Haag Streit BM900 is the mid-range model of the Haag-Streit 900 slit lamp platform — combining the reference-standard 900-series optical system with LED illumination and an included AT 900 Goldmann applanation tonometer in a complete anterior segment examination and IOP measurement workstation. This used Haag Streit BM900 LED slit lamp delivers the consistent white-balance illumination, precise slit beam control, and mounted Goldmann tonometer that make the 900 series the instrument of choice in comprehensive ophthalmology and optometry practices where both slit lamp biomicroscopy and tonometry are performed at every examination lane.
The Haag Streit BM900 slit lamp with AT 900 tonometer provides the combined anterior segment examination and IOP measurement capability needed for comprehensive glaucoma management — performing both the RNFL-correlating structural exam and the pressure measurement that guide treatment decisions from a single instrument without patient repositioning. A multicentre randomised clinical trial published in the British Journal of Ophthalmology (National Library of Medicine, 2019) confirmed the accuracy of Goldmann applanation tonometry and its correlation to corneal biomechanical properties — directly validating the AT 900 tonometer that ships with this Haag Streit BM900 as the clinical reference standard for IOP measurement in glaucoma practice.
Why Practices Choose the Haag Streit BM900
- 900-series optical system — the clinical reference standard — The Haag-Streit 900 platform is the ophthalmic industry’s reference standard for slit lamp biomicroscopy, with beam precision, optical quality, and illumination uniformity that define the baseline against which all other slit lamp platforms are compared.
- LED illumination with consistent white balance — The LED light source eliminates the progressive color shift and intensity decline of aging halogen bulbs, providing consistent white-light corneal examination and accurate cobalt blue filter fluorescein staining assessment across thousands of examination hours without bulb replacement.
- AT 900 Goldmann applanation tonometer included — The mounted AT 900 provides the WHO reference-standard IOP measurement at every examination without the per-exam setup and calibration overhead of portable tonometers — enabling consistent, accurate IOP documentation in glaucoma patients, suspects, and routine annual exams.
- Full slit beam control — 0 to 14 mm — Continuously adjustable slit width and height with 180° rotation supports every anterior segment examination technique: direct focal, indirect, specular reflection, retro-illumination, and tangential illumination across all anterior and posterior segment structures with appropriate auxiliary lenses.
- 5-step magnification from 6× to 40× — Wide magnification range covers diffuse survey examination at 6×, routine anterior segment biomicroscopy at 10×–16×, and high-power endothelial examination at 40× — without instrument changes between examination modes.
- Complete examination and tonometry workstation — The Haag Streit BM900 with mounted AT 900 and table provides everything needed for a complete comprehensive examination lane — one instrument purchase configures a full examination workstation with no additional equipment required.
- Decades of proven service reliability — The 900-series mechanical platform has been in production since 1959; parts availability, service manual access, and qualified technicians ensure that this instrument can be maintained and repaired for 20+ years of service life.
Clinical Applications
- Intraocular pressure measurement — The mounted AT 900 delivers Goldmann reference-standard IOP at every lane for glaucoma diagnosis, treatment monitoring, and suspect management — with the applanation prism directly in view under the slit lamp observation system for simultaneous examination and tonometry.
- Anterior segment examination — Full biomicroscopic examination of the eyelids, conjunctiva, cornea (epithelium through endothelium), anterior chamber, iris, crystalline lens, and anterior vitreous — the foundation of every comprehensive ophthalmic and optometric examination.
- Corneal disease evaluation — Optical section and specular reflection examination of corneal epithelial pathology, endothelial changes, stromal dystrophies, and contact lens complications with the beam precision needed for layer-specific corneal diagnosis.
- Dry eye and fluorescein staining — Cobalt blue LED illumination provides the excitation wavelength needed for fluorescein corneal staining assessment, tear film break-up time, and ocular surface disease grading in every dry eye work-up and management visit.
- Contact lens fitting and follow-up — White-light biomicroscopy for RGP and soft lens centration, fluorescein pattern assessment for lens fit, and corneal staining documentation for contact lens–related complications require the optical quality the BM900 platform delivers.
- Posterior segment with auxiliary lenses — Combined with 78D, 90D, or contact fundus lenses, the BM900 provides slit lamp biomicroscopy of the optic disc, macula, and peripheral retina — enabling posterior segment examination in any equipped lane.
Who This Is For
- Comprehensive ophthalmology and optometry practices equipping additional examination lanes — the Haag Streit BM900 LED with AT 900 tonometer provides the complete lane instrument at a price point that supports multi-lane practice expansion without compromising on optical quality or tonometry accuracy.
- Glaucoma management practices needing consistent IOP measurement at every lane — the mounted AT 900 ensures that every IOP reading is taken on the reference-standard tonometer regardless of which examination room the patient uses, eliminating instrument-to-instrument IOP variability.
- Practices upgrading from halogen slit lamps — LED illumination provides consistent color rendering and eliminates recurring bulb changes that interrupt workflows; the BM900 LED upgrade delivers the illumination quality that high-volume dry eye and cornea examinations require.
- Optometry practices adding Goldmann IOP — the included AT 900 enables transition from non-contact tonometry to Goldmann reference-standard IOP measurement without the additional capital cost of purchasing a tonometer separately.
- Budget-conscious practices seeking 900-series quality — at $9,500, the used Haag Streit BM900 LED with tonometer delivers the same reference-standard optical platform as higher-priced BQ 900 models at a price point accessible to independent practices and multi-location groups standardizing on the 900-series.
Technical Specifications
| Specification | Detail |
| Model | Haag-Streit BM900 (mid-range 900-series) |
| Illumination | LED |
| Magnification | 6×, 10×, 16×, 25×, 40× (5-step) |
| Slit Width | 0 – 14 mm (continuously adjustable) |
| Slit Height | 0 – 14 mm (continuously adjustable) |
| Slit Rotation | 180° |
| Filter Set | Cobalt blue, red-free, diffuser, heat-absorbing |
| Tonometer | AT 900 Goldmann applanation (included, mounted) |
| Working Distance | 100 mm |
| Manufacturer | Haag-Streit AG, Switzerland |
| Condition | Used |
| Warranty | 90 days |
Compare Haag-Streit 900 Slit Lamp Options
| Feature | Haag Streit BM900 LED | Haag Streit BQ 900 | Haag Streit BD 900 |
| Series | BM900 (mid-range) | BQ 900 (premium) | BD 900 (base) |
| Illumination | LED | LED | LED / Halogen |
| AT 900 Tonometer | Included | Included | Included |
| Condition | Used | Used | Used |
| Price | $9,500 | $9,900 | $8,690 |
Similar Slit Lamps In Stock Now
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