Hart Chart™ Accommodative Rock Chart Set

Hart Chart Rock is a tool used by specialists since ancient times to exercise eye focus dynamics at various distances and is specifically used to train the natural ability, capacity, and speed of lens adaptation. The Hart Card Accommodative Rock Chart is available in two versions: a black and white version for eye focus dynamics exercise and another in green and red with colored glasses to train eye focus dynamics along with ignoring one eye from the brain. Training tool contents: (Black and white version) - An "8.5 × 11" (21.6cm X 28cm) plan on a white card with black print. - Two white plans, "3 × 5" (7.6cm X 12.7cm), with black print. → The first near card contains the same letters, numbers, and order as the far card. → The second near card contains different numbers, letters, and order from the far card. (Red and green version) - A white vinyl plan, "8.5 × 11" (21.6cm X 28cm), with black print on red and green strips. - Two white vinyl plans, "3 × 5" (7.6cm X 12.7cm), with black print on red and green strips. → The first near card contains the same letters, numbers, and order as the far card. → The second near card contains different numbers, letters, and order from the far card. Red and green colored glasses.