Patent ID: 11892711
Assignee: ESSILOR INTERNATIONAL
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. A device comprising:
single vision ophthalmic lens adapted to a wearer having at least a prescribed optical power,
wherein the single vision ophthalmic lens provides to the wearer in standard wearing condition in at least a first gazing direction the prescribed optical power when gazing at a first distance and in at least a second gazing direction the prescribed optical power when gazing at a second distance, the first and second distance being different and the first and second gazing direction being different,
wherein the single vision ophthalmic lens is configured so that for any gazing direction comprised in an elliptical cone of half major axis at 8 deg and half minor axis at 4 deg, an orientation of the major axis being horizontal in standard wearing conditions, the elliptical cone being centered at the second gazing direction, an optical power difference measured at said any gazing direction and an optical power prescription is smaller than or equal to 0.15 D.