Optometry it is recommended to do optometry in the morning, because after a night's rest, there are fewer eyes in the morning, which can ensure accuracy and avoid visual fatigue.
The lens materials are mainly glass and resin. The main feature of glass material is high light transmittance and clearer and brighter feeling. The main feature of resin material is light weight and not easy to break.
The material of the frame is mainly TR, plate, metal and titanium. Plastic products are light in weight and are not easy to cause allergic symptoms; The plates are colorful and fashionable; Metal products are durable and not easily deformed. The titanium frame is vacuum plated and light in weight.
The lens processing uses grinding machines and other equipment to correct the shape of the lens to match the inner basket of the frame.