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OCULUS Centerfield® 2

Perimeter

Thanks to its ergonomic design, user-friendly program navigation and ease of operation, the Centerfield® 2 Perimeter has proven itself to be an invaluable instrument in the Occupational Health area. The unit performs static perimetry up to 70° eccentricity. It also meets the requirements of the German Ophthalmological Society’s (DOG) Road Traffic Commission for conducting visual field testing in accordance with the regulations for the issuance of driver’s licenses and the Guidelines G25 and G41 issued by the German Institute for Occupational Health and Safety.

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Ergonomic Design

The self-contained design and light-shielded viewer allow examinations to be conducted in normally lit rooms.  Its robustness and light weight make the Centerfield® 2 perimeter the ideal unit for portable use, which is often a necessity in the Occupational Health area.

Modern Connectivity

The Centerfield® 2 perimeter can be operated via the USB port of a notebook or PC. Together with the supplied device software, this modern solution allows you to fully utilize all of the benefits of today’s IT systems, especially the network connectivity. This guarantees both safe storage of examination data and quick access to that data when needed.

Functions

The Examination Programs

The recommended series of pre-defined test programs provided for Centerfield® 2 perimeter covers the examinations most frequently needed in practice. The “Driver’s License Regulations“ program permits occupational and company physicians to test the field of vision in accordance with applicable German regulations (FEV and amendments thereto) governing the issuance of driver’s licenses. The macula and glaucoma programs allow early detection of various retinal diseases.

The OCULUS Test Point Grid

The patented projection method allows you to freely select test point grids on the Centerfield® 2. The central field of vision can be examined using functionally or orthogonally distributed test points. Grids such as the “FeV70” or “Esterman” are used for the periphery. This unlimited flexibility enables test grids to be modified if necessary.

Technical data

Features
Programs: Pre-defined glaucoma, macula, neurological and screening tests; user-defined tests
Strategies: Threshold strategies: OCULUS Fast Threshold, Full Threshold (4-2), CLIP
Optional: SPARK strategy
Age-adapted supra-threshold screening (2-zone, 3-zone, quantify defects)
Test patterns: Orthogonal patterns (30-2, 24-2, 30 x 24, 10-2)
Physiological patterns (Area 1-8), Esterman, Profile, customised patterns
Stimulus size: Goldmann III
Stimulus color: White / Blue
Stimulus duration: 200 ms / User-defined
Examination speed: Adaptive / Slow / Normal / Fast / User-defined
Stimulus luminance range: 0 - 318 cd/m² (0 - 1 000 asb)
Background luminance: 10 cd/m² (31.4 asb)
Background colors: White / Yellow
Maximum eccentricity: 36° / 70° (with fixation shift)
Fixation control: CMOS camera, through central threshold, Heijl-Krakau (over blind spot)
Reports: Glaucoma Staging Program (GSP),
Progression report for Threshold Noiseless Trend (TNT)
Kinetic Perimetry: Strategies: Automated tests along meridians with freely selectable density up to 35°
Stimulus speed: 2°/ s (Goldmann-Standard) or user-defined
Features
Bowl radius: r = 11.8 in
Patient positioning: Depth-adjustable headrest, optional motorised chinrest
Weight: 25.8 lbs; chinrest: 2.4 lbs
Operating voltage: 100 - 240 V
Operating system: Windows® XP or above
Interface: USB
Included in delivery: Cover, Lens holder for trial lenses, Opaque occluder, Four trial lenses: ± 1.0 sph. and ± 3.0 sph.


  In acc. with the Medical Device Directive 93/42/EEC

  OCULUS is certified in acc.
  with DIN EN ISO 13485

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