Abstract: A fitness adjustment mechanism for eyeglass temples is revealed. The fitness adjustment mechanism is disposed on an eyeglass frame, a temple or between the eyeglass frame and the temple. The fitness adjustment mechanism includes an adjustment hole and a projecting pin. A receiving fixing slot is formed on each of two ends of the adjustment hole and a narrow channel is located between the two receiving fixing slots. The transverse distance of the channel is smaller than an inner diameter of the receiving fixing slot. The diameter of the projecting pin is no more than the inner diameter of the receiving fixing slot and is a bit larger than the transverse distance of the channel. Thus an angle of the temple is changed by the projecting pin mounted into different receiving fixing slot for adjusting fitness of eyeglasses. People feel comfortable with the eyeglasses on.

Abstract: A pair of multi-purpose eyeglasses is revealed. It has a pair of eyeglasses having a mounting stand provided on the upper end of a nose pad, the mounting stand having a buckling portion and positioning portion provided thereon; and an auxiliary lens frame having a buckling rod provided at the front end of a nose bridge connecting two lens holding sub-frames, the buckling rod being press-fitted and fixed into the buckling portion. The eyeglasses may he a pair of sports sunglasses or a pair of ski goggles. The eyeglasses and the auxiliary lens frame can be easily and quickly assembled with or disassembled from each other according to a user's intention.