Forgot your password?
Forgot your username?
No Account Yet?
Create an account
Simple, self-directed vision therapy to build convergence (the ability of both eyes to work together), particularly with patients with bifocals.
Includes 24 stereo targets and two binocular vision controls: cross marks and a stair-step text in which each succeeding line of type requires slightly more prism convergence
The cards themselves provide complete instructions, exercises and progress checks as well as an explanation of visual efficiency
Base-out increases one prism diopter from card to card throughout the series
Sign-up to receive the Keystone View newsletter which will contain the latest product updates and other announcements.
Web analytics api