Specialising in Paediatric Vision Testing
Specialising in Paediatric Vision Testing

Sign in / Register   |    +44 (0)1442 823507

Gratings Acuity Cards

From £544.00

Preferential looking test, available as an Infant, Child or Combined Test set.

Description

The Gratings Acuity Cards form a Teller-type gratings preferential looking test. They provide 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. In addition, they can also be used to test stroke victims.

The test cards can be purchased in these 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)

Please select your preferred test set from the drop down menu above.

 

Country of origin: GB

Details

Weight N/A
Dimensions N/A

Card Resolution & Acuity Equivalents

Acuity Card No Cycles per cm Cycles per degree at 38cm Approx. Snellen equivalents
1 49.2 35.4 6/5        20/17
2 35.4 25.5 6/7        20/25
3 30 21.6 6/9        20/30
4 20.1 14.5 6/12      20/40
5 17.3 12.5 6/14      20/50
6 13.3 9.6 6/18      20/60
7 10.7 7.7 6/24      20/80
8 9 6.5 6/30      20/90
9 5.3 3.8 6/50      20/160
10 4 2.9 6/60      20/200
11 2.9 2.1 6/90      20/300
12 2 1.4 6/130    20/400
13 1.33 0.96 6/190    20/600
14 1 0.72 6/250    20/800
15 0.5 0.36 6/500    20/1700
16 0.4 0.29 6/620     20/2100
17 0.25 0.18 6/1000  20/3400
18 blank

You may also like…

Go to Top