Opulite Clear III Hidden LED Spotlight 7W Elliptical 10W Small Round  Opulite Lighting's Clear Hidden series features a cutoff angle >35°, which reduces glare. Luminaires with a cutoff angle below 30° can cause glare and discomfort to the eyes. To minimize glare within the field of vision, luminaires typically have a cutoff angle >30°. The Color Rendering Index R9, actually represents saturated red, and it is a measure of the light source's ability to restore the object's color.