It is easier to change the examination mode to Phoropter from Refraction or in reverse.
Equipped with Touch Panel and USB port. Touch Panel makes it easier to control phoropter arm and chair at one seat and USB, Port supply DC Power to portable devices like smartphone or table without any additional appliances. (The blue bottons are only for auto-arm selection.)
Able to control functions of unit chair as central control system. (The blue buttons are only for auto-arm selection.)
You can shift this classic arm manually and fix it with lever.
According to your working style, you can choose clock-wise orientation (Right-type) table type or counter-clock wise orientation (Left-type) table type.