Perimeter format:Prid:Pt:Visual sensory:Nom:Perimetry.TEC
perimeter format:prid:pt:visual sensory:nom:perimetry.tec
Perimeter format:Presence or Identity:To identify measures at a point in time:Visual sensory:Nominal:Perimetry.TEC
perimeter format:presence or identity:to identify measures at a point in time:visual sensory:nominal:perimetry.tec