This rectangular 5 diopter magnifying desk lamp from Dazor increases visual scanning speed and reduces eyestrain and fatigue, which is ideal for low vision individuals. The 2.25X lens is made of crown optical glass and measures 5" x 3". For optimal viewing enhancement, this lamp uses a 6500K daylight LED light source. Users can angle the light source behind the light for a choice between even, shadow-free illumination and a hi-lighting effect. The 26" "floating arm" glides into position easily with just the touch of a finger. The unique balancing system eliminates exposed wires or springs.