Reichert Foresee PHP® Preferential Hyperacuity Perimeter

Product Code: Reichert Foresee PHP

Reichert Foresee PHP® Preferential Hyperacuity Perimeter


  • Full macular testing of central 14°, automated analysis, and visual field mapping.
  • Easy to interpret results with the only normative database available for AMD patients.
  • Higher specificity and sensitivity than current methods for detecting early.
    • Reduces the number of early and late referrals and allows for timely and effective treatment.
  • Diagnostic capabilities based on the hyperacuity (Vernier) phenomenon.
    • Hyperacuity has a higher sensitivity than normal visual acuity and is unaffected by patient age or physical condition.
    • PHP technology reveals distortions otherwise hidden by the brain’s innate ability to fill in scotomas and overcomes inherent problems associated with the Amsler Grid; completion, fixation, crowding and compliance.
  • Fast, easy and intuitive testing for patients and technicians.


As the prevalence of Age-Related Macular Degeneration (AMD) continues to grow, so does the need for early detection of conversion from Dry AMD to Wet AMD. The Reichert Foresee PHP® Preferential Hyperacuity Perimeter is the only FDA approved method for monitoring the conversion of Intermediate AMD (Dry) to Choroidal Neovascularization (Wet AMD).

Based on the phenomenon of hyperacuity (Vernier), the Foresee PHP is a non-invasive, quick, and easy-to-use perimeter that can detect early Wet AMD before symptoms become noticeable to patients, enabling clinicians to refer for treatment when it is most effective.

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