Tangent Screen: 39"/1m

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The Tangent Screen provides a very accurate way of charting the central and Para-central field of vision. It is an invaluable aid in diagnosing pathological conditions. Testing may be done at one meter or two meters. We use the best black felt available to ensure non-reflectivity. All markings are stitched in semi-visible black thread showing concentric circles, radial lines and blind spots. These markings are made at 22.5º angles to ensure ease of testing, scoring and transcribing the mapped fields for visual field analysis. A white fixation button is attached. Tangent Screen comes in a roll-up style and measures 43" x 43" (1.1 m x 1.1 m) when in use. Show more