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Foresee PHP - Report Interpretation Guide

Foresee PHP - Report Interpretation Guide
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Foresee PHP - Report Interpretation Guide - 1

Preferential Hyperacuity Perimeter See Wet AMD before your patients do.

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Foresee PHP - Report Interpretation Guide - 2

The Foresee PHP® Preferential Hyperacuity Perimeter provides an unsurpassed level of sensitivity and specificity in detecting recent onset Choroidal Neovascularization (CNV) and differentiating it from the intermediate (dry) state of AMD. The visual field analyzer monitors macular function by measuring relative photoreceptor field location and utilizing the phenomenon of hyperacuity, the ability to detect the misalignment of an object’s location relative to the other objects in space. By combining patient interactive software with an innovative algorithm, PHP technology can identify small...

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Foresee PHP - Report Interpretation Guide - 3

Foresee PHP® Technology Foresee PHP Technology is based on the well-studied phenomenon of hyperacuity. Hyperacuity, also known as Vernier acuity, is the ability to detect misalignment of an object’s location relative to other objects in space. This ability to detect misalignments is in the magnitude of 3-6 seconds of arc, which is 10 times better than the resolution ability in the fovea (around 30-60 seconds of arc). Hyperacuity is unaffected by a patient’s age and is highly resistant to retinal image degradation, and is thus suitable for assessing retinal function in patients with...

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Foresee PHP - Report Interpretation Guide - 4

Immediate Test Results The Foresee PHP records whether the patient noticed the artificial or pathological distortion, both distortions, or if the patient did not notice either distortion. During the test, the degree of the artificial distortions are varied to identify the magnitude and extent of the visual field defect. Patient response patterns are recorded and compared to a normative database. Immediate test results are presented in a detailed report. The first page test report presents a Hyperacuity Deviation Map that identifies visual field defects (see below) and provides confidence...

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Foresee PHP - Report Interpretation Guide - 5

Case Study An 80 year old female presented blurred vision for two months in her left eye, with no clinical evidence of CNV present. The Foresee PHP test was performed, and the test result showed outside normal limits with a P-value less than 1%, and significant metamorphopsia. The reliable positive PHP test indicated the possible presence of CNV. An OCT and FA confirm clinical correlation with the PHP results. The OCT showed evidence of subretinal fluid and a central macular thickness of approx 400 microns. The FA showed areas consistent with CNV. The patient underwent 3 Lucentis injections...

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Foresee PHP - Report Interpretation Guide - 6

Foresee PHP® Preferential Hyperacuity Perimeter Features Specifications • arly CNV detection – The only instrument E clinically validated and FDA cleared for early detection of CNV. Catalog Number: N • ormative Database Analysis for early detection of CNV. Data Storage: Data storage, backup, and transfer results stored on a hard drive. H • igh sensitivity (82%) & specificity (88%) for early detection of CNV.* • atient friendly – Interactive, quick, and P non-invasive examination. P • ractice friendly – Touch-screen menus to expedite operations, automatic patient backup, and macular field...

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