METHOD OF DRILLING AN OPHTHALMIC LENS ACCORDING TO A HELICOIDAL OR PSEUDO-HELICOIDAL TRACK AND DRILLING DEVICE THEREFOR

摘要

The invention relates to a method of drilling an ophthalmic lens (10) comprising the following steps: - memorizing the desired shape and dimensions of a hole (701; 702; 703) for piercing the ophthalmic lens (10) and the position of the outlet of this piercing hole on one of the faces (11, 12) of the ophthalmic lens, - positioning of a piercing tool (80) vis-à-vis the stored position of the hole (701; 702; 703) to drill, - determination of a control set of the transverse displacement and the axial advance of the drilling tool (80), and, - drilling of the ophthalmic lens according to said piloting instruction . According to the invention, the control set of the transverse displacement and the axial advance of the drilling tool (80) imposes on the tip of this drilling tool, on at least one piercing pass, a helical or pseudo trajectory. -helical (H; H1, H2) depending on the shape and the desired dimensions of the drilling hole. The invention also relates to an associated drilling device.