{"product_id":"ins-11073-opti-near-visual-acuity-chart","title":"INS-11073 | Opti+ Near Visual Acuity Chart","description":"\u003cp\u003eThe \u003cstrong\u003eOpti+ INS-11073 LED Near Visual Acuity Chart\u003c\/strong\u003e is a compact, double-sided chart designed for evaluating near vision at short examination distances. Its integrated LED backlighting provides clear and uniform illumination, helping practitioners perform consistent near visual acuity testing in optometry practices, ophthalmology clinics, hospitals, and optical stores.\u003c\/p\u003e\n\n\u003cp\u003eThe lightweight design allows the chart to be used on a stable examination surface or attached to a compatible ophthalmic unit using the appropriate mounting support.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003e\u003cstrong\u003eOutstanding Features\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003ch4\u003e\u003cstrong\u003eNear Visual Acuity Testing\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe INS-11073 is specifically designed for the evaluation of \u003cstrong\u003enear visual acuity\u003c\/strong\u003e at examination distances of approximately \u003cstrong\u003e25 or 30 cm\u003c\/strong\u003e, depending on the selected chart configuration.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eDouble-Sided Chart\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe \u003cstrong\u003edouble-sided design\u003c\/strong\u003e provides multiple near-vision testing patterns in one compact instrument, allowing the practitioner to change charts quickly during an examination.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eLED Backlit Illumination\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe integrated LED light source provides clear chart visibility while offering low power consumption and a longer operating life than conventional illumination systems.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eUniform Panel Brightness\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eAn average chart luminance from \u003cstrong\u003e80 to 320 cd\/m²\u003c\/strong\u003e provides comfortable illumination for near-vision testing in different examination-room lighting conditions.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eConsistent Illumination\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eA brightness uniformity rating of \u003cstrong\u003e0.85 or greater\u003c\/strong\u003e helps maintain balanced illumination across the viewing area, reducing distracting bright or dark sections.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eCompact and Lightweight\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eWeighing approximately \u003cstrong\u003e293 g (10.35 oz)\u003c\/strong\u003e, the chart is easy to handle, reposition, and store between examinations.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFlexible Clinical Placement\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe chart may be placed on a stable examination surface or attached to a compatible ophthalmic unit. Its mounting angle can be adjusted to keep the chart appropriately positioned in front of the patient.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eUniversal-Voltage Adapter\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe supplied power system supports an input range of \u003cstrong\u003eAC 110–240 V, 50\/60 Hz\u003c\/strong\u003e, making it suitable for use in different electrical environments.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003e✅ \u003cstrong\u003eThe Opti+ INS-11073 LED Near Visual Acuity Chart combines double-sided testing charts, uniform LED illumination, compact dimensions, and flexible positioning for convenient near-vision examinations.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cdiv class=\"richt-text-block-produkteigenschaften margin-top-xxs w-richtext\"\u003e\n\u003ch2 class=\"headline-akkordeon\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003c\/div\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial,sans-serif; font-size: 14px; margin-bottom: 20px;\"\u003e\n\u003ctbody\u003e\n\n\u003ctr style=\"background-color: #e6e6e6; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003eEXAMINATION DATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eInstrument Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLED near visual acuity chart\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eNear visual acuity testing\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eChart Configuration\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDouble-sided\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eTesting Distance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e25 or 30 cm, depending on chart configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background-color: #f2f2f2; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003eILLUMINATION DATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLight Source\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eLED backlight\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAverage Chart Luminance\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e80–320 cd\/m²\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eBrightness Uniformity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e≥ 0.85\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background-color: #f2f2f2; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003eELECTRICAL DATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePower Adapter Input\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eAC 110–240 V, 50\/60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eRated Output\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e4.2 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePower Capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e1050 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr style=\"background-color: #f2f2f2; font-weight: bold;\"\u003e\n\u003ctd style=\"padding: 10px;\" colspan=\"2\"\u003eINSTALLATION \u0026amp; PHYSICAL DATA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003ePlacement\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eStable examination surface or compatible ophthalmic-unit support\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e9 × 5 × 1 in (23 × 12 × 2 cm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e10.35 oz (293 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Opti+","offers":[{"title":"Default Title","offer_id":43620833099991,"sku":"INS-11073","price":67.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/2152\/3927\/products\/product_INS-11073-1.jpg?v=1659374073","url":"https:\/\/optiusa.com\/products\/ins-11073-opti-near-visual-acuity-chart","provider":"OPTIUSA, LLC","version":"1.0","type":"link"}