The Prismatic skylight, a new and unique concept in skylight optical design was introduced in 1978 and on other skylight lets in more natural light while cutting out damaging direct sunlight.
What makes prismatic skylight better than conventional white or clear skylight are the thousands of tiny prisms over 4,000 per square foot? The prisms refract direct sunlight into thousands of micro light beams. The result is a soft yet bright natural light, directed throughout the room. Economically and ecologically, day lighting makes sense.
Watch this video for better understanding,
of Prismatic Skylights.
Advantages of High Performance Prismatic Skylights