Cardiff 4740R Standard Acuity Test

The Cardiff 4740R Standard Acuity Test has been designed especially to test the vision of children in the difficult-to-test age group of six months to three years. The test uses familiar pictures and a procedure in the form of a game to attract and retain the attention of young children. It can also be used to test vision in adults with intellectual difficulties.

Features and Benefits of the Cardiff 4740R Standard Acuity Test

• Acuity testing kit for children ages six months to three years
• Can be used to test adults with intellectual difficulties
• Uses Preferential Looking rather than recognition
• Testing range of 20/12.5 to 20/160
• Consists of 36 test cards in a handy carry case
• Includes full instruction on how to administer the test

Preferential Looking Technique

Helpfully, the Cardiff Acuity Test doesn't require the child to be able to name or even to recognise the pictures on the test cards. Instead, the Cardiff Acuity Test relies on the technique of Preferential Looking, where the observer simply notes the child’s eye movements when shown a card in order to determine whether he or she can see the picture. This means that the Cardiff Acuity Test can be used irrespective of a child’s developmental stage, making it ideal for testing children and adults with intellectual difficulties.  

More About the Cardiff 4740R Standard Acuity Test

The Cardiff Acuity Test was developed by Dr. J. Margaret Woodhouse at the School of Optometry and Vision Sciences, Cardiff University in the UK. This acuity test has been rigorously validated and is now recommended by leading paediatric vision consultants worldwide.