Abstract: Optical lenses and associated luminaire are described herein. In one aspect, a lens comprises a light receiving side comprising grooves for receiving light emitting diodes, the grooves defined by a central refractive region and walls comprising total internal reflection faces; and a light extraction side opposite the light receiving side, the light extraction side comprising refractive extraction surfaces, total internal reflection extraction surfaces, or combinations thereof. In some embodiments, luminaire comprises an array of light emitting diodes; and the lens positioned over the array of light emitting diodes.

Abstract: A portable organizer has a container portion that has a plurality of compartments that are formed by an arrangement of inner walls. The inner walls may be adjustable or statically arranged. A tongue is connected to the container portion that is used to anchor the container portion by fitting between a mattress and box spring or cushion and couch frame, etc. A hinge may be used to connect the tongue to the container portion to aid in storage. The tongue may be attached at an upper portion or lower portion of the container portion to match selected uses. In one embodiment, the tongue is compact and removable for easy and compact storage.