To include an auxiliary lens, select the required lens from the Auxiliary lens rack as shown below.


 


A representation of the lenses inserted will be displayed on the visualisation as shown.


The lenses available include:


  • Red and Green filters
  • Polarised filter 1
  • Polarised filter 2
  • Maddox Rod horizontal
  • Maddox Rod vertical
  • Prism - large horizontal and vertical prism to create diplopia for balancing
  • Cross cyl - fixed cross cyl lens for fine tuning spherical correction

 

To remove all auxiliary lenses, select None.