Sophisticated microscopy,outstanding performance. The BQ 900® stands for excellent optics, versatility and ease of use. The standard for those requiring advanced slit lamp microscopy. A modular system, offering digital video and still photography and a wide range of accessories include teaching scopes, inclined eyepieces and, for retinal specialists, the unique stereo variator.


  • APPLANATION TONOMETER AT 900 – The original Goldmann tonometer
  • ZOOM OBJECTIVE – With the zoom objective, the magnification can be continuously changed from 6 up to 40x. Reference points are set at magnifications 10, 16 and 25x to allow easy orientation.
  • INCLINED EYEPIECE ADAPTOR for Ergonomic and fatigue-free working – with the inclined eyepiece adaptor, the view into the microscope is inclined at 20 degrees to the horizontal.
  • STEREO VARIATOR for Enhanced view on fundus – Unique to the BQ 900, the stereo variator reduces the angle of stereoscopic observation from 13° to 4.5°. This facilitates the stereoscopic examination of the fundus, peripheral parts of the retina and the vitreous, even under unfavourable conditions such as high myopia and small pupils.
  • BEAM SPLITTER – The beam splitter diverts a portion of the light to secondary attachments such as the second observer tube, video or digital cameras.
  • CONTRAST ENHANCING FILTER – Fluorescence enhancement yellow barrier filter provides additional contrast to fluorescein images.



Advanced microscopy – comprehensive application. Designed for routine practice, the BP 900 is equipped with a modern optical system offering 10×, 16× and 25× magnifications and imaging capabilities. As with all Haag-Streit slitlamps, a Goldmann tonometer the gold standard in IOP measurement may be added to the system.



Reliable optics enduring performance>. The BM 900 has been the standard in modern slit lamp microscopy for more than 55 years and still is! Over 100,000 professionals all over the world who own a BM 900 agree that it was the best investment they ever made for their practice. As with all Haag-Streit slitlamps, a Goldmann tonometer – the gold standard in IOP measurement – may be added to the system.

Equipped with a Kepler microscope, the BM 900 provides two standard magnifications: 10× and 16×. With a set of optional oculars it can be extended to 25× and 40× magnification. Like any other Haag-Streit slit lamp, the BM 900 features the best optical components to show all structures of the human eye in every detail.



Superior technology reliable instrument. The Haag-Streit BX 900 slit lamp combines the latest imaging technology with the proven versatility, optical brilliance and mechanical quality of the Haag-Streit tradition. The BX 900 is the leading slit lamp imaging device and is designed to assist the Ophthalmic Photographer in his demanding profession.

Ophthalmic imaging of the highest possible quality is ensured with an integrated flash, fully synchronised with camera and slit and background illumination, all controlled through a release mechanism directly beside the slit lamp joystick, as well as adaptors for a variety of top-of-the-range digital single lens reflex cameras.

The camera is mounted above the microscope, thus allowing ease of access to the patient. This is especially useful when photographing in conjunction with hand-held diagnostic lenses.



The BI 900 is equipped with a Kepler microscope providing the default magnifications 10 × and 16 ×. With a set of optional eyepieces it can be extended to 25 × and 40 × magnification. The maximised diameter size of the ocular view ensures fatigue-free examination even on long working days.

Integrated contrast enhancing filter: A yellow barrier filter provides additional contrast for fluorescein applications.

The optional Imaging Set provides a fully integrated compact imaging solution for the BI 900 which has been designed to simplify the image capturing process.

Located in front of the joystick, the control panel can be operated blindly while examining the patient. It provides not only full control over the slit lamp illumination, but also a release bar for the camera, as well as simple and ergonomic management of the camera settings.



High-quality Haag-Streit optics: The BA 904 is the only portable slit lamp that incorporates Worldclass Haag-Streit optics. These superior optics offer high-resolution examinations; boasting 10x objectives, as standard and 16x objectives, as an option.

Both reliable and accurate, the BA 904 offers a Dioptic range of – 8 to +8, an interpupillary range of 53 to 95 mm. It offers a wider field of view, compared to other portable slit lamps available for fatigue-free viewing.

The BA 904 can be used for hand-held operation to examine patients, in Ophthalmology, Optometry or Veterinary clinics, who cannot comfortably sit at a larger slit lamp whether they are a paediatric, wheelchair, or bed-bound patient.


CSO SL9800 / SL9900 / SL9900 ELITE

CSO slit lamps are engineered to the highest European quality standards and come equipped with LED illumination. Ergonomic design, high quality optics and precision mechanical parts provides the user with an unparelled experience while conducting a slit lamp examination.

LED illumination provides comfort to the patient during the examination due to the lack of heat. Image colour temperature is maintained at all illumination levels. Our LED technology has an estimated life of 50000 hours of continuous use, you will never need to replace a light bulb again.

Slit Lamp uses the Phoenix software application allowing patient data to be saved for future review and analysis, shared by all CSO devices.

Dry Eye Report
Based on the Ocular Surface Disease Index questionnaire (OSDI), limbal and conjunctival hyperaemia, Meibomian glands analysis, tear meniscus analysis, NIBUT, and tear osmolarity, calculated merging together all partial scores, provides an owerall evaluation of the clinical condition of the patient for a comprehesive diagnosis of the dry eye disease.

Microscope 3X | 5X | ZOOM
Converging microscope optics provides comfort to the user when using the slit lamp. All the microscopes have a yellow filter to improve the image quality during fluorescein tests.

Microscope 2X
A converging microscope with 10x and 16x magnifications is also available for the SL9800 and SL9900.

Digital Video Camera (Optional)
All CSO slit lamps can be equipped with the CSO Digital Vision HR camera. This high performance camera can capture and record the smallest details, while conducting a slit lamp examination. When connected to the Phoenix patient management software, it is possible to store high quality images or video for further review. * (not compatible with 2X microscope)