YZ22 Visual field screener

Product Abstract:

Radius of the arc is 333mm,while angle is ±100°.With the reticle of every other 5°

Product Description

Characteristics:

■ The product is used to examine the fundus and visual disease.

■ Light test-objects with five different diameters or three different colors(red,green and blue)

■ Eight different neutral filters can combine freely which provides various brightness.

■ Radius of the arc is 333mm,while angle is ±100°.With the reticle of every other 5°.The product measures accurately.