【5-in-1 Multifunctional Vision Testing】：This digital eye chart features 5 convenient and practical vision testing functions, including astigmatism, myopia, hyperopia, and red-green color blindness detection. The sturdy aluminum alloy frame ensures a durable and professional appearance, ideal for accurate eye examinations. 【Remote Control Dimming for Any Environment】：The wireless remote control allows you to easily adjust brightness to match surrounding lighting conditions, ensuring clear visibility and accurate results. The frosted panel lightbox is not only eye-friendly but also easy to clean—simply wipe it down for a fresh, professional look. 【Energy-Saving LED Lighting for Accuracy】：Utilizes a constant, flicker-free LED light source to ensure precise vision testing. Its energy-efficient design consumes only 12W, making it eco-friendly and cost-effective, while the long lifespan guarantees reliable performance for both professional and personal use. 【Durable & Uniform Brightness Design】：The 5m multi-functional vision board delivers uniform, high-brightness illumination that is gentle on the eyes. The robust construction ensures stable operation and long-lasting durability, with low power consumption and simple, intuitive operation for all users. 【Wide Application for All Settings】：Perfect for routine vision checks in hospitals and clinics, student screenings in schools, pre-glasses testing in optometry shops, and convenient self-monitoring at home. This versatile eye chart light box is an essential tool for both professional eye care and personal health management.