Great Elasticity of the Frame Keeps its Initial Balance and Adjustment
Misalignment can be caused by dropping or bumping your glasses, and heat deformation.
Set your eyeglasses upside down on a flat surface. The temples (ear pieces) should both rest on the table. If one of the temples is elevated off the table, it needs an adjustment to match the other temple. Apply light pressure to the area where you need to make an adjustment. Be careful not to press too hard.
TR90 Resin materials can be bent and twisted and still come back to its original shape. This frame features a spring hinge, which keeps its initial balance and adjustment, thereby avoiding the need for subsequent adjustments.