256300 Red Handled Fixation Cube: A combination LEA SYMBOLS® and pediatric pictures cube with a central LEA SYMBOLS® optotype on top calibrated to 20/40 (6/12) at 16” (40 cm) and an outer LEA SYMBOLS® optotype calibrated to 20/200 (6/60) equivalent when tested at 16″ (40 cm).
Measurements: Each fixation cube measures 6″ (15.24 cm) in length.
The cubes themselves measure 0.06″ square.