Sunglasses allow for better vision in bright daylight, and may protect one's eyes against damage from excessive levels of ultraviolet light. The loss of glasses would be detrimental to those working in these conditions. Wearers of glasses that are used only part of the time may have the glasses attached to a cord that goes around their neck, to prevent the loss of the glasses and breaking. Glasses wearers may use a strap to prevent the glasses from falling off. Glasses are worn for eye protection in some sports, such as squash.
Some types of safety glasses are used to protect against visible and near-visible light or radiation. 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 in the lenses. Glasses are typically used for vision correction, such as with reading glasses and glasses used for nearsightedness however, without the specialized lenses, they are sometimes used for cosmetic purposes. Glasses, also known as eyeglasses or spectacles, are vision eyewear, with lenses (clear or tinted) mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms (known as temples or temple pieces) that rest over the ears.
0 kommentar(er)
