{"product_id":"led-eye-chart-light-box-with-astigmatism-vision-marker-standard-logarithmic-vision-eye-vision-chart-for-home-optical-shop","title":"LED Eye Chart Light Box with Astigmatism Vision Marker Standard Logarithmic Vision Eye Vision Chart for Home Optical Shop","description":"\u003cul\u003e\n\u003cli\u003eDigital Vision Chart: A vision chart is a standard chart used to measure visual acuity and detect astigmatism, myopia, hyperopia, and other visual problems (such as red-green color blindness).\u003c\/li\u003e\n\u003cli\u003eClear Visual Markings: Utilizes a robust and durable high-tech panel. The text on the panel is screen-printed to ensure clear and fade-resistant lettering.\u003c\/li\u003e\n\u003cli\u003eLightweight Design: Portable and lightweight design with uniform LED illumination providing stable and soft light. Magnetic corner design and removable cover allow for both horizontal and vertical use to meet different testing needs.\u003c\/li\u003e\n\u003cli\u003eDual Power Supply Design: Supports both battery and external power supply modes, balancing portability and battery life.\u003c\/li\u003e\n\u003cli\u003eVersatile Use: Vision charts are commonly used by professionals to screen for visual impairments. Suitable for ophthalmology clinics, optometrists, homes, or schools.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eProduct Description Product Name: LED Eye Chart Light Box Average Brightness on White Background: 80-320 cd\/m² Field Uniformity: ≥0.85 Output Voltage: DC 5V 1000mA Recommended Viewing Distance: 25-30cm for refraction testing Package Contents: LED Eye Chart Light Box*1 Notes 1. Due to manual measurement, please allow for a difference of 1-2cm. 2. Due to lighting or display, the color of the actual product may differ slightly from the image.\u003c\/p\u003e","brand":"Buhelyc","offers":[{"title":"Default Title","offer_id":45409498267695,"sku":"B0GR5B2WK8","price":197.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0730\/3498\/9615\/files\/51fyeejDk9L._AC_SL1500.jpg?v=1780416154","url":"https:\/\/www.coziecorners.com\/products\/led-eye-chart-light-box-with-astigmatism-vision-marker-standard-logarithmic-vision-eye-vision-chart-for-home-optical-shop","provider":"CozieCorners","version":"1.0","type":"link"}