Worth 4 Dot Light
This neat unit is a distance version of the Worth 4 Dot test designed to be carried out at 6m.
It is a simple and rapid test for determining the presence of macular suppression.
Low power LEDs are utilized for illumination and the power supply is 12V DC via a mains adaptor (supplied). The face of the test light embodies complimentary red/green filters and this test can be used with red/green goggles or stereo flippers.
The unit has a hole provided to permit wall hanging and is illuminated via a toggle switch mounted beneath the face.
Dimensions: Diameter 27.2 cm, Depth 4.5 cm Weight: 1.4 kg
Worth 4 Dot Light