*** Warning: only usable by opticians / optometrists! ***
The UbiVision Eyechart / Optotype App displays optotypes
to perform a subjective refraction by an optician / optometrist.
Optotypes will display on an iPad, remotely controlled by an iPhone
added Schober, Rot-Grün and Kreuzzylinder Tests
With Family Sharing set up, up to six family members can use this app.