When light enters the eye, it is focused by the lens onto the back of the eye where there are millions of specialized cells that transmit the light information into a series of biochemical reactions that result in a chemical signal being sent to the brain. The brain then organizes that data into an image – the picture that is seen.
Illuminance Explained
Illuminance is the amount of light striking a surface – also known as incident light, where the “incident” is the beam of light actually landing on the surface. Lumens are a measure of the quantity of light, referred to as luminous flux or just flux, emitted by a light source. When considering lighting applications, illuminance is used to measure …