Abstract: A dismountable frame for glasses comprises a frontal chassis (2) having a pair of circles (3, 4) for housing respective lenses, a pair of rods (5, 6) mounted laterally to the chassis (2) from opposite sides with respect thereto, means for removably fixing the rods (5, 6) to the chassis (2) comprising a pair of end pieces (8) each having a first shaped portion (9) with jointing means (10) adapted to be removably inserted and fitted in corresponding counter-shaped lateral seats (11) of the chassis (2), the latter being provided with a pair of through cuts (12, 13) made in each of the lateral counter-shaped seats (11) to allow the enlargement of the circles (3, 4) in the absence of the end pieces (8).