The Kay Picture Single Crowded acuity test with comprehensive distance LogMAR sizing at three metres from 1.00 to -0.10, plus near testing and matching card. It is suitable for naming and matching with children aged 18 months+.

The test comprises our new, fully-researched picture optotypes that provide a reliable visual acuity measurement comparable with ETDRS. The six new picture optotypes are presented in a crowding box with a choice of four different optotypes at each acuity level.

For a summary of the research please click here. if you would like to read the published research behind the redevelopment of our optotypes please read the article on BIOJ.

Instructions with diagrams and a scoring table are printed inside the book.