The i.O.O Testing Kit is designed to be used by an optometrist, psychologist or teacher to determine whether a person is likely to benefit from the use of coloured overlays.
Each pack contains 20 A5 sheets, two of each colour.
It is supplied in a presentation folder with a pad of recording sheets, detailed instructions and a test sheet of text.
It is designed to be used in conjunction with the Wilkins Rate of Reading Test.