The Lite Source store is proud to feature OttLite products. See everything more clearly and comfortably with our incredible, energy-saving OttLite® 508 illumination™ – a precise balance of contrast and brightness! OttLite’s natural daylight lighting creates the perfect environment for doing what you love. Natural light therapy plays a vital role in overall health and well-being and is the most common and effective treatment for S.A.D. (seasonal affective disorder)