The discount eyeglasses online matching is quite reliable, but it requires many prerequisites. First, you need to get detailed information after an eye examination.

Then, based on this information, you can go to the cheapest eyeglasses online to buy reliable glasses. Besides, the weight of the frame doesn't need me to say. I believe no one wants to hang a jack on their nose bridge. Remember to ask when choosing.

There are many materials for glass frames, what material is lighter when wearing discount prescription glasses? Heavy eyeglass frames can create great pressure, and wearing them for a long time can be very uncomfortable.

Titanium is highly corrosion-resistant, known as the "space metal", and has no metal allergies. With the development of technology, titanium has become the mainstream. Titanium frames are generally referred to as Ti-P or TiTAN and are mostly made of titanium except for brackets, hinges, and screws.

TR90 board is an upgraded board made of polymer materials that are harmless to the human body, wear-resistant, and have high toughness, making it lighter than ordinary boards.

Sheet metal is a new type of plastic that is lightweight, has high hardness, and is not easily deformed, but its surface is susceptible to corrosion from sweat.

Plastic steel, as a material, actually does not contain any metal and is also a high-strength molecular material. It is lighter than TR90 and has higher corrosion resistance and strength.

The most popular modern metal frames are titanium metal frames or titanium alloys, which are lightweight, corrosion-resistant, and not easily deformed.