Teller Acuity Cards® II, 8 plates (half set)

Teller Acuity Set, based on the principle of preferential looking.

8 plates (half set) for the testing of Vision in non-verbal children or subjects with reduced vision and perceptual disorders.

VA steps: 20/30, 20/60, 20/100, 20/200, 20/400, 20/800, 20/1600, 20/3200;

equivalent to VA decimal: 0.66, 0.33, 0.20, 0.10, 0.05, 0.025, 0.0125, 0.00625.

Test distance: 1 m / 50 cm

---

Legal comment:

Teller Acuity Cards(R) is a U.S.A. registered trade-mark of the University of Washington and is used under the licence of Precision Vision, Inc., Woodstock, Il. USA.