Abstract: An adjustable temple mounting arrangement is constructed to include a rim holding a glass lens, a flexible coupling block pivoted to the rim, the coupling block having a rear receiving open chamber, a pivot hole in communication with the rear receiving open chamber at one side, and a plurality of retaining grooves disposed in a smoothly arched inside wall thereof in an inner side of the receiving open chamber, and a temple, the temple having a front butt-strap inserted into the receiving open chamber of the coupling block, the butt-strap having a short pivot rod pivoted to the pivot hole of the coupling block, and a plurality of teeth forwardly extended from a convex front end thereof and forced into engagement with the retaining grooves of the coupling block.