PURPOSE: To provide a method of processing the anti-reflex peripheral surface of a lens without using polishing powder and making chips, by using vibratory needles to make an aventurine pattern.

CONSTITUTION: A lens 11 secured with lens protectors 13 by lens holders 12 is rotated around the optical axis. A minutely vibrated needle unit 15 coupled to a vibrator 17 are pushed on the peripheral suface of the lens 11 so that the needle unit does not sideslip. For example, the needle unit 15 is vibrated at the frequency of 100Hz and amplitude of 1mm, vibrated needles are pushed on the lens under the force of 1kg, and the lens is rotated at the frequency of 1rpm. The surface of the lens 11 is thus provided with an aventurine pattern for prevention of reflection. Te aventurine surface of the lens acts for irregular reflection just like a sandy surface. An anti-reflex agent is applied to the aventurine surface of the lens 11 to prevent the reflection on the surface.