The Gratings Acuity cards form a Teller-type gratings preferential looking test which provides a visual acuity assessment from as young as six weeks.  It comprises 17 Log-scaled acuity cards plus one blank card, each with a central peep hole for observing the eye movements.

The Gratings Acuity Cards provide a rapid method of determining the visual acuity of infants and young children and can also be used to test stroke victims. The test cards can be purchased in three options:-
Infant Grating Test (7 test cards plus blank)
Child Grating Test (10 test cards)
Combined Grating Test (all 17 test cards plus blank)