Patent ID: 8320710

Claim:
A device for determining the position and/or a transverse dimension (D) of a drill hole ( 110 ) in a presentation lens ( 100 ) for rimless eyeglasses, the device comprising: support means ( 55 ) for supporting the lens ( 100 ); capture means ( 53 ) for capturing an overall image ( 90 ) of the drill hole ( 110 ) of the lens ( 100 ) in a lighting or image capture direction (D 51 , A 52 ; A 53 ); and processor means ( 54 ) for processing said image when the lens is carried by the support means ( 55 ); the device being characterized in that the processor means ( 54 ) are suitable for determining, using said overall image ( 90 ) of the drill hole ( 110 ), the position of the center (C 1 ) of the orifice of the drill hole ( 110 ) opening into one of the faces ( 98 ) of the lens ( 100 ) and/or the transverse dimension of said orifice of the drill hole ( 110 ) corresponding to the looked-for transverse dimension (D).