visual Field Analyser 1. PC external,Traditional PC 2.Dynamic eye position inspection 3.Environmental illumination inspection visual ... test (central 0-10° ) Central 0-30° Test Quadrant test Peripheral test (60-90° ) Scotoma test Custom test Test method: Estimative ... 70mm, horizontal 90mmThere are two type, one is for traditional PC , one is with USB, can use notebook computer. Visual Field ...