Large and Clear Viewing Area The acrylic magnifier displays areas up to 22 x 15.5 cm, allowing you to see a larger area without repeatedly moving the magnifier. The high-definition 10X magnification enlarges the area 1000% without distortion. (NOTE: Keep your eyes perpendicular to the magnifier to avoid image distortion.) Adjustable Brightness with 48 LEDs and Reduced Eye Strain The magnifying lamp is equipped with 48 LED lights, and the base features a continuously adjustable brightness control knob. You can adjust the brightness to your liking. (Adapter not included.) Effectively Reduces Eye Strain Anti-glare design, ideal for those who need continuous close-up work or for compensation for age-related eye strain and macular degeneration. Helps reduce eye strain and allows you to work all day.