
Visual field testing is widely used as one of musts for ophthalmic clinical diagnosis. In addition to diagnosis (like glaucoma and retrobulbar optic neuritis), the visual field test is also used for clinical diagnosis of neurosurgery.
Clinical Application
Components
MD-820A Auto Perimeter is a LED computer-controlled static perimeter. It consists of main unit, computer workstation, application software MD82X. The examination results can be applied in perimetry analysis and research.
Specifications
Perimeter Type: | Hemispherical Bowl Type (Φ600mm) |
Stimulus Size: | Φ2mm |
Stimulus Light Source: | LED |
Stimulus Indicator: | 256 indicators distributed on screen, including 62 red indicators (10° Central Area) |
Stimulus Light Luminance: | 0.5-318 nit (1.6-1,000ASB) |
Stimulus Light Brightness Level: | 15 levels, each level with 2dB |
Brightness Level of each Indicator: | within ±20% |
Background Light Luminance: | 0.02 cd/m2, white light (Spectrum range: 400nm-750nm, peak at 470nm) |
Fixation Mark: | Green, located at the center of the screen |
Stimulus Duration: | 0.1s, 0.2s and 0.5s |
Stimulus Interval: | 0.5s, 1s and 2s |
Fixation Monitoring: | Camera Monitoring & Blind Spot Monitoring |
Horizontal Distance between Chinrest Center and Screen Center: | 330mm±16mm |
Moving Range of Chinrest: | Vertically: ≥35mm; Horizontally: ≥15mm |
Weight: | 26kg (Main Unit) |
Dimensions: | 770mm x 530mm x 730mm |
Certificates
ISO13485 and CFDA
