Photoscreener use demonstrating 9 different objective screening devices. Photoscreeners are the Plusoptix S09, iScreen, Pediavision SPOT, MTI, Gateway DV-S20, Canon TX1 and the iPhone 4. Remote auto refractors are the Welch Allyn Suresight and the Retinomax. Amblyopia risk factors are detected including high anisometropia, hyperopia and astigmatism as well as strabismus. Blindness due to amblyopia can be cured with early detection and thorough treatment with spectacles +/- patching, atropine or surgery. ABCD-Vision.org

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