For vision testing at 10 feet
Developed by: Bruce Moore, O.D. and Jean Ramsey, M.D.
Practice pages for 3 and 4+ years (10/40 equiv.)
Pages labeled practice, left eye and right eye
3 year visual acuity range 10/20
4 years and older visual acuity range 10/16
4 pages spiral bound
Includes response key (Cat.No. 2011 and 2012)
Vision screener measures 8.26 X 22.86 cm ( 3.25 X 9 in.)
HOTV Designed by: Otto Lippman, M.D.
MassVAT developed by: Luisa Mayer, Ph.D. and Bruce Moore, O.D.
HOTV flip book includes separate pages for 3 year olds and 4 year olds. Each page features the MassVat design that creates a contour interaction for testing. This design is great for the detection of Amblyopia, or Lazy Eye. Also, HOTV optotypes are highly recognizable for preliterate children. HOTV flip book comes with a response key for easier testing.
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