The Keystone VS – 5 Vision Screener has been developed to be both simple and efficient. The testing process is rapid yet accurate. A typical test can be performed in less than 5 minutes. VS – 5 Tests: Acuity Right Eye – Far and Near Acuity Left Eye – Far and Near Acuity Binocular – […]

The Keystone VS – 5 Vision Screener has been developed to be both simple and efficient. The testing process is rapid yet accurate. A typical test can be performed in less than 5 minutes.

A heavy duty carry case is also available HERE

The Wirt Fly Test clearly demonstrates the presence of stereoscopic vision in the test subject.