Abstract: The present invention is a device for adjusting height of an arm of an eyeglasses frame relative to a wearer's ear, which includes a main element and a locking element. The main body has a top, sides, a back and a bottom, and as a recess located at the top and adapted to receive a frame arm. The main body has height adjustment means. The locking element is adapted to attach to the top of the main element so as to hold a frame arm in the recess of the main element when a frame arm is located therein and includes one of a male component and a female component of an interconnecting attachment means which attaches the main element sides to the other of the male component and the female component. The locking element may be a snap-on clip. The main element height adjustment means is created by having a bottom length which is elongated over the bottom of the main element, and a distance, measured from the recess and being perpendicular from the recess to the bottom.