Eyewear refers to accessories that are worn over the eyes for reasons such as correcting the vision and protecting eyes against excessive light, debris or harmful radiation. The lenses of eyewear products are made using materials including glass and plastic, whereas frames are manufactured using metal or plastic.

The first wearable glasses known to history appeared in Italy during the 13th century. Primitive glass-blown lenses were set into wooden or leather frames (or occasionally, frames made from animal horn) and then held before the face or perched on the nose

Probably invented eyeglasses in around 1285, though various sources suggest an earlier origin. He shared the invention of his new device with Allesandro della Spina, an Italian monk, who made it public and is often credited with inventing eyeglasses.