Hardened film layer lens

The utility model provides a hardened film layer lens and belongs to the technical field of lenses, the hardened film layer lens comprises a lens body, a damping ring is arranged on the lens body, and the damping ring can buffer the lens body when the lens body falls off; the protection device is arranged on the lens body, the protection device can protect the lens body, the protection device comprises a protection cover arranged on the lens body, a protection strip is slidably connected to the interior of the protection cover, a push block is installed on the protection strip and can drive the protection strip to slide on the protection cover, and an arc-shaped groove is formed in the protection cover; the arc-shaped groove is used for limiting the push block, so that the push block can slide in the arc-shaped groove; the lenses are placed on the protection covers, the protection covers are fixed on the eye frame through the clamping grooves and the screws, so that the lenses are not prone to falling off, th