Light pollution

Light pollution, also known as photo pollution or luminous pollution, is excessive, misdirected, or obtrusive artificial light. Light pollution is the over-illumination of an area that is considered obtrusive.

Sources include: Bright lighting in functions, big cities, etc. causes “Light Pollution”. Excessive light on the retina causes extreme discomfort in the eyes, especially in dim conditions like during nighttime. Bright lights strain the eyes and also give headaches and migraines.