Contact lenses and frame cheapest eyeglasses have different degrees, generally speaking, the former is lower than the latter. However, it is still necessary to re-independently refract contact lenses, mainly because in the refraction of contact lenses, eye health checks are also very important.

If conditions permit, you must seek a professional examination for optometry. Those who are not professionals can use a ruler to measure the distance between the pupils. Those who do not take the red and green test can ignore it. Preschool children should dilate their pupils before optometry of children's eyeglasses, and those wearing contact lenses should remove them and rest for at least ten minutes before optometry.

The titanium alloy frame is lightweight and durable, much more practical and expensive than steel materials. Frameless cut-edge glasses are characterized by being extremely lightweight, and the lenses can be cut into different shapes. Not matching ultra-thin lenses is equivalent to wasting a lot of money, and not having a demand for personalized lens shapes is equivalent to wasting money.

The material of plastic/resin eyeglass online frames can now be made very well, but it is important to be careful not to be subjected to high temperatures and may deform; No matter how expensive the painted metal frame is, there is a risk of paint peeling in two years.

Actually, the frame is almost okay, as long as it's not too heavy, not too cluttered, or deformed. Lenses are the key to affecting health and comfort. As long as the frame matches the lenses.  The important aspects of lenses are the material of resin lenses and the coating technology on resin/glass lenses.