The Freeman Occluderule is produced from a flexible non-shrinking plastic. This versatile tool can be used for the following:

• Pupilliary Distance (Frame and Facial)
• Distance Between Lenses (Frame)
• Inside and Outside Eyesize (Frame)
• Length to Bend of Sides (Frame)
• Facial Width
• Length of Side
• As an Occluder
• As a Pointer
• As a Near Point Fixation Spot
• As a Near Point Convergeance Line

Supplied in a pouch with instructions.