Priestley Smith perimeter

Priestley Smith perimeter About

• Arc Radius: 330 mm semicircular metallic arc.
• Arc Rotation: Rotates 360 in any direction and can be fixed at any position using a tightening screw.
• Graduation Scale: Arc is calibrated and graduated from 0 to 90 (or 0 to 180 total).
• Test Object / Stimulus: Movable white spot target with a 10 mm diameter mounted on a circular disc.
• Patient Support: Features an adjustable manual chin rest for precise alignment and a detachable leveling bar.
• Recording Mechanism: Includes a circular black disc with a chart frame, a graduated scale, and a movable pin-punch pointer to mark readings directly onto the perimeter chart paper (supplied with standard 100-chart packs).
• Construction: Heavy-duty metal / aluminum casting structure mounted on a stable vertical stand
• Key Clinical Applications
  • Mapping peripheral visual field boundaries.
  • Detecting scotomas (blind spots).
  • Assisting in the clinical evaluation of glaucoma, neurological damage, and retinal disorders