Ultraviolet-proof polarized lens

The utility model discloses an ultraviolet-proof polarized lens which comprises a lens frame and a lens body. The mirror frame comprises a left upper half frame, a right upper half frame and a middle beam, the left upper half frame and the right upper half frame are provided with first clamping grooves, magnetic attraction blocks, through holes and first limiting blocks, second clamping grooves are formed in the two sides of the middle beam, the second clamping grooves are communicated with the first clamping grooves, and second limiting blocks are arranged in the second clamping grooves; the upper edge of the lens is provided with a connecting part, the connecting part is provided with a through hole, a first limiting groove and a second limiting groove, the through hole and the second limiting groove are located in the two sides of the connecting part, and the first limiting groove is located in the upper edge of the connecting part; the connecting parts are arranged on the lenses, the connecting parts are