MassVAT Designed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D.
Eight page spiral-bound book.
HOTV book features eight pages with one line of optotypes on each. Also, each page includes a MassVat design for easier pediatric testing. The use of eight pages with progression throughout the book helps to identify the acuity threshold. Flip book is also a great screener for Amblyopia.