light

Glare is difficulty seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night

Glare is difficulty seeing in the presence of bright light such as direct or reflected sunlight or artificial light such as car headlamps at night. Because of [...]

Photophobia is a symptom of abnormal intolerance to visual perception of light

Photophobia is a symptom of abnormal intolerance to visual perception of light.[1] As a medical symptom, photophobia is not a morbid fear or phobia, but an [...]

Sunglasses or sun glasses are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes

Sunglasses or sun glasses are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or [...]

Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 400

Ultraviolet (UV) light is an electromagnetic radiation with a wavelength from 400 nm (750 THz) to 10 nm (30 PHz), shorter than that of [...]