Abstract: A detachable sunglasses with an adjustable bridge is adapted for selectively adjusting the distance between two sun-lenses thereof, so that a particular style and size of such sunglasses can fit various shapes and sizes of eyeglasses. The adjustable bridge comprises a first bridge rod having an affixing end attached to the inner side of the first sun-lens and an adjustable end extended from the first sun-lens; a second bridge rod having an affixing end attached to the inner side of the second sun-lens and an adjustable end extended from the second sun-lens; a bendable bridge joint adapted for connecting the first bridge rod and the second bridge rod; and a locking means for fastening the bridge joint with the first and second bridge rods, so as to construct the sunglasses capable of adjusting the distance and angle between the two sun-lenses.