I wear glasses, also called eyeglasses which are plastic lenses mounted in a frame and worn over the nose.
I used to wear them also. When were they invented?
They have been worn for hundreds of years. Mine are used for vision correction.
Oh wow. What type of doctor should I see to get glasses?
, and may protect one's eyes against damage from excessive levels of ultraviolet light. Typical sunglasses lenses are tinted for protection against bright light or polarized to remove glare; Photochromatic glasses are clear in dark or indoor conditions, but turn into sunglasses when in they come in contact with Ultraviolet light. Most over the counter sunglasses do not have corrective power in the lenses; however, special prescription sunglasses can be made.
Specialized glasses may be used for viewing specific visual information, for example 3D glasses for 3D films (stereoscopy
Glasses
Glasses, also known as eyeglasses or spectacles, are devices consisting of glass or hard plastic lenses mounted in a frame that holds them in front of a person's eyes, typically using a bridge over the nose and arms which rest over the ears.
Glasses are typically used for vision correction, such as with reading glasses and glasses used for nearsightedness.
Safety glasses provide eye protection against flying debris for construction workers or lab technicians; these glasses may have protection for the sides of the eyes as well as