Aperture Rule™ Trainer Kit is a standard instrument in most VT programs. Features progressive fixed demand. Polarized or colored lenses are not required. Helps improve low fusional and accommodative reserves, poor stereopsis, Fixation disparity suppression & tight accommodation-conversion relationship.

The trainer assists patients with asthenopia & visually related learning problems.

30PD Base-Out to 17.5PD Base-In.

Kit Includes:

• Sports/Action Card Set
• Single & double aperture sliders
• Red pointers
• Manual