Bluetooth Serial Adapter for Clearchart Handles Continuously variable slit length

Continuously variable slit length

adjust vertically and lock in place

50% spaced rectangle (Massachusetts Visual Acuity Test format) with line sizes from 20/80 to 20/16 (6/24 to 6/4

Each five pound container fills the Hot Box to the proper level

Power Supply: 6V DC (Four AA batteries)

Bluetooth Serial Adapter for Clearchart Handles Continuously variable slit lengthThis adapter allows for the Clearchart 4, 4X, and 4P to directly connect to a Reichert digital refraction system wirelessly. This allows for seamless control of your Clearchart optotypes directly within the Vrx or Sightchek remote, eliminating the need to handle different remotes during an exam.