New Combined Grating Test
The New Combined Grating Test provides a quick and accurate method for determining visual acuity in infants, toddlers and young children. The test uses a series of patterned cards to assess vision, and, unlike letter-based eye tests, doesn't require the patient to communicate or indicate an answer. This makes it an effective and accurate method for testing visual acuity in young children, as well as older children and adults with communication difficulties or intellectual impairment.
Features and Benefits of the New Combined Grating Test
- Accurate method for testing visual acuity
- Can be used to test infants and young children
- Can be used to test adults with learning disabilities
- More effective than letter-based eye tests
- Consists of 18 acuity cards with gratings
About the Grating Testing Method
The Grating Test uses a number of cards with different gratings printed on them to determine visual acuity. The examiner shows the cards to the patient one by one, observing the looking behaviour of the patient when shown each card. When the patient does not register or look at the pattern on the card, the examiner will use this as an indication that the grating falls outside of their range of vision.
As the cards are graded, the examiner is then able to accurately quantify the range of vision of the patient based on the gratings that they could and couldn't see. This testing method tends to be more accurate than letter-based visual tests, simply because the patient is not required to identify the target or communicate an answer. This makes it ideal for children and adults that have problems communicating verbally, and this test can even be used to assess visual acuity in patients who have had a stroke.
About the New Combined Grating Test
The New Combined Grating Test combines the 10 cards from the New Infant Grating Test with the eight cards from the New Children's Grating Test. This forms a kit appropriate for testing visual acuity in infants and young children, as well as older children and adults with intellectual impairment.
