Whether children's sunglasses need to be polarized or not depends on the actual situation. Polarizers are functional glasses that filter

How to properly clean eyeglass lenses: 1. It is recommended that when you do not wear glasses, wrap the glasses

PD is the distance between the two optical centers of the lens, which is critical to the comfort and visual

1. When wearing progressive multi-focal glasses at the initial stage, the principle to be followed is: first stay still and

Generally speaking, sunglasses can also be equipped with glasses, provided that they are flat, without the influence of the degree

Most people now use special resin lenses. One thing about resin lenses is that the lenses are easily scratched and

1. Blueberries Blueberry is a nutritious fresh fruit, known as "the first berry". Fruits contain anthocyanins, which are the most

1. Change In Diopter The new mirror excludes the scratches and wear of the old mirror under the action of

1. Adjust The Nose Pads Many people feel that the frame is stuck on the bridge of the nose when

Glass fogging is usually caused by temperature differences. When the patient enters a warm and humid environment, such as from

Cycling glasses are different from sunglasses and should never be worn while cycling. Because cycling glasses have more windproof function

1. Full-frame Glasses Frames: Ladies select the thin edge of the metal frame, and men choose the panel frame that