Improve and safeguard your eye health The elegant, ergonomic design of the Dr. Lite Halo Computer Lamp is perfect for lowering screen glare from your desktop, laptop, tablet, or mobile device to improve readability and reduce eye strain. For people who suffer from vision loss due to diseases including Macular Degeneration, Stargardt's Disease, Retinitis Pigmentosa, Diabetic Retinopathy, and others, the Dr. Lite Halo Lamp is ideal. IDEAL FOR: Workstations, reading, crafts, and leisure activities Features To create glare and flicker, a special diffuser and technology are used. brilliant light for free A three-level dimming "touch" control for adjusting brightness The shade has a locking mechanism and is 270 degrees left to right adjustable. Strong clamp-on with felt padding and a locking pin expands to 2.5" Ergonomic design and circular shade for pleasant, even  light The fully adjustable arm extends up to 42" Using a floor stand Dual functionality: utilize a floor stand or clamp on any surface. Durable 5-wheel floor base for maximum mobility ✧