Introducing the New Contrast Sensitivity Flip Test by PA Vision.
The new flip test is perfect for all ages. One side is for adults the other side is for children. The size of each picture or letter remains constant throughout but the contrast of the outline of the target reduces and becomes more difficult to discern against the grey background.
The new flip test is perfect for all ages. One side is for adults the other side is for children. The size of each picture or letter remains constant throughout but the contrast of the outline of the target reduces and becomes more difficult to discern against the grey background.
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