High plus lenses disable fixation and therefore allow to test for spontaneous nystagmus.The +15 D glasses provide magnification for easy assessment of eye movements.Battery version with illumination, Type 703 (OCULUS)
Ishihara Colour Deficiency Test with 24 Plates. This test can used to test on protan & deutan defects. Patients must identify numbers or patterns formed in a matrix of small coloured dots varying in colour & intensity (pseudo-isochromatic plates). Ideal for commercial/ industrial colour screening.
We have this Ishihara test available from stock, worldwide delivery.