A modular eyewear comprising: two lenses, each lens having a noncircular connection hole defined through the lens; a connection device mounted between and connected to the connection holes in the lenses to connect the lenses with each other and comprising two lens screws; a bridge being M-shaped and having two ends; two plugs mounted respectively around the ends of the bridge and mounted respectively in the connection holes in the lenses; wherein the connection hole in each lens comprises a round hole having an inner surface and a diameter; and two engaging segments formed in the inner surface of the round hole, and each engaging segment extending toward a direction that is diametrically opposite to the direction of the other engaging segment; and each plug is made of metal and comprises an inserting body mounted in the round hole of a corresponding one of the connection holes and having a threaded hole defined in the inserting body into which a corresponding lens screw is screwed; and two engaging ribs protruding from the inserting body and mounted respectively in the engaging segments of the corresponding connection hole; two sleeves mounted respectively in the connection holes in the lenses and abutting respectively on the plugs; the two lens screws being mounted respectively through the sleeves and screwed respectively with the plugs; a pad frame being inverted U-shaped, connected to the bridge and having two ends; two pad mounts respectively around the ends of the pad frame, and each pad mount having a coil segment provided at an upper end of the respective pad mount, wherein the coil segments respectively has a spiral direction opposite to each other; and a pad bracket being rectangular and formed on one end of the coil segment; and two nose pads connected respectively with the pad mounts, and each nose pad having a securing block; the pad bracket mounted loosely around the corresponding securing block; and a connecting hole formed through the securing block and into which a corresponding end of the pad frame extends. two lenses, each lens having a noncircular connection hole defined through the lens; a connection device mounted between and connected to the connection holes in the lenses to connect the lenses with each other and comprising two lens screws; a bridge being M-shaped and having two ends; two plugs mounted respectively around the ends of the bridge and mounted respectively in the connection holes in the lenses; wherein the connection hole in each lens comprises a round hole having an inner surface and a diameter; and two engaging segments formed in the inner surface of the round hole, and each engaging segment extending toward a direction that is diametrically opposite to the direction of the other engaging segment; and each plug is made of metal and comprises an inserting body mounted in the round hole of a corresponding one of the connection holes and having a threaded hole defined in the inserting body into which a corresponding lens screw is screwed; and two engaging ribs protruding from the inserting body and mounted respectively in the engaging segments of the corresponding connection hole; two sleeves mounted respectively in the connection holes in the lenses and abutting respectively on the plugs; the two lens screws being mounted respectively through the sleeves and screwed respectively with the plugs; a pad frame being inverted U-shaped, connected to the bridge and having two ends; two pad mounts respectively around the ends of the pad frame, and each pad mount having a coil segment provided at an upper end of the respective pad mount, wherein the coil segments respectively has a spiral direction opposite to each other; and a pad bracket being rectangular and formed on one end of the coil segment; and two nose pads connected respectively with the pad mounts, and each nose pad having a securing block; the pad bracket mounted loosely around the corresponding securing block; and a connecting hole formed through the securing block and into which a corresponding end of the pad frame extends.