Spacer for eye frames

A method of tightening loose arms of an eye frame, the arms coupled to a front frame of the eye frame using hinge joints, the method comprises:

• providing a spacer, the spacer comprises a body, the body has a front face, a rear face, and a wall extending between the front face and the rear face, wherein a height of the wall defines a thickness of the body, an adhesive layer disposed on the front face of the body, the adhesive layer is protected by a release liner;
• removing the release liner before inserting the spacer;
• inserting the spacer within a left hinge joint of the hinge joints, wherein the spacer is sandwiched between a proximal end portion of the front frame and an end of a left arm of the arms of the eye frame,
• wherein the front face adheres to the proximal end portion of the front frame and the rear face adheres to the end of the left arm.