Assembling structure for eyeglasses

A pair of eyeglasses comprising:

• two lenses;
• an eyeglass frame including a central portion, wherein the central portion includes two frame portions respectively on two sides thereof, wherein the two lenses are respectively and detachably received in the two frame portions, wherein the central portion includes an intermediate section having a notch between the two frame portions, wherein the central portion includes an upper portion and a lower portion, wherein the upper portion includes an insertion hole extending in the vertical direction, wherein an opening is defined in an upper end of the insertion hole and includes at least one pressing face, wherein the lower portion includes a rear face, wherein the lower portion includes an engaging groove extending in the vertical direction and aligned with the insertion hole, and wherein at least one fixing hole extends forward from the rear face of the lower portion and intercommunicates with the engaging groove;
• and
• a coupling block inserted downwardly into the insertion groove of the upper portion of the eyeglass frame and the engaging groove of the lower portion, wherein the coupling block includes an upper end having at least one pressing portion pressing against the at least one pressing face, wherein the coupling block further includes a lower end having at least one fixing hole, wherein the notch of the eyeglass frame between the upper portion and the lower portion is narrowed after the two lenses are coupled with the two frame portions of the eyeglass frame, and wherein at least one fastener extends through the at least one fixing hole from the rear face of the lower portion and engages with the at least one fixing hole of the coupling block.