Projection Perimeter

Technical Specifications

■ Spherical Radius: 175mm ± 5mm

■ Stimulus Light Intensity: 0-10000asb (± 10%)

■ Projection Light: red, blue, white (wideband visible light).

■ Dynamic Range: 0-51DB 

■ Background Light: yellow and white

■ Background Light intensity:

● Background Light: White, light intensity 31.5asb (± 10%)

● Background Light: yellow light used OG530 lenses; backlight intensity 315asb (± 10%)

■ Spot Size:

● Class Ⅰ: the angle of 0.11 ° (± 10%); stimulus as the standard size (30 cm Bowl) 1/4mm2 ± (± 10%)

● Class Ⅱ: Diagonal 0.22 ° (± 10%) to; stimulus as the standard size (30 cm Bowl) 1mm2 ± (± 10%)

● Class Ⅲ: the angle of 0.43 ° (± 10%); stimulus as the standard size (30 cm Bowl) 4mm2 ± (± 10%)

● Class Ⅳ: the angle of 0.86 ° (± 10%); stimulus as the standard size (30 cm Bowl) 16mm2 ± (± 10%)

● Class Ⅴ :  the angle 1.72 ° (± 10%); stimulus as the standard size (30 cm Bowl) 64mm2 ± (± 10%)

■ Stimulation Points Number and Stimulation Time:

● Stimulation Point: not fixed
● Stimulus Duration: adjustable from 0.1s to 2.0s program (± 5%)

● Interval: adjustable from 0.1s to 2.0s program (± 5%)

■ Eye Position Monitoring Window: CCD camera, directly monitor the eyes

■ Chinrest Stroke: down ≥ 50mm (± 5%) around ≥ 28mm (± 5%)

■ Eye Tracking: eye movements or eye blinking, the system will alarm (monitoring the "Start eye movement detection" Open)