The Rodenstock Chart Panel CV 300 is a modern equipment that simplifies the display of optotypes for refraction tests. It is more advanced than simple chart projectors due to the feature that allows the user view an unlimited number of test charts due to the programmable integrated computer of the CV 300. It also supports the randomized display of charts. Its features and specifications include: It provides several color vision tests like Ishihara or 100 HUE coupled with various displays for quantifying a patient’s contrast sensitivity. You can also find; ETDRS charts, HOTV test, fixation disparity test and AMD optotypes. It displays different optotypes for the left or the right eye. The systems red/green display can be adjusted to match other red/green filters. It is possible to adapt the chart sizes according to individual test distances. The CV 300 features include: Display--LCD 15in Auto Off Function: Adjustable 4-240min Dist. Unit: Ft or Meter