Alaska Blind Child Discovery Test Flip Book Developed by Dr. Robert Arnold, MD Calibrated for 10 foot and 10 inch viewing. Includes Pinhole Occluder and off-set tabs for easy testing. Adapting the state-of-the-art principles for acuity testing, ABCD has suggested a modification of Wendy Marsh-Tootle's Surround HOTV 10-foot test card. The ABCD HOTV card presents 4 optotypes down to 20/16 range. The matching card has surround letters to avoid confusion, it also has a spectacle-delineated pinhole enhancement and an HOTV near card that resembles Paul Runge's near system but is adapted to just 10-inches- found to more approximate a child's lap-reading distance. The 10-foot distance and 10-inch near are quickly demarcated by detachable strings. Age-appropriate screening cut-offs (20/40 for K and below, 20/32 for older than K) are quickly located by off-set tabs. The Purpose of Vision Screening is to detect progressive, serious pediatric eye disorders, particularly amblyopia, in a cost-effective manner and at an early enough time that treatment will be effective. ABCD recommends age-appropriate guidelines seen in the image gallery on this page.
