Glossary

Fixated Point (FP)

• The location that is actually and currently fixated.
  
• Not to be confused with : Point Of Fixation (POF) which in PTVR refers to a stimulus that the subject has to fixate.

Point Of Fixation (POF) :

• A stimulus that the subject has to fixate.
• Note 1: this does not mean that the subject is fixating it.
• Note 2: a POF is not necessarily in the middle of a tangent screen.

Visual axis

• Axis from fovea to Fixated Point (FP)