LENS POWER MEASUREMENT DEVICE AND MEASUREMENT METHOD

摘要

Provided are a lens power measurement device and a lens power measurement method whereby lens power measurement results of a contact lens can be displayed in a manner which is easy to view, while maintaining fully satisfactory precision of the lens power measurement results. From lens power distribution information determined based on optical property measurement information of a contact lens, correction target information including positive and negative abnormal peaks on both sides of a lens central axis in a lens central area is selected. Lens power distribution measurement results are then obtained by applying substitution using a correction function that smooths out the abnormal peaks to the selected correction target information to smooth the lens power measurement values.

主权项

1. A lens power measurement device that measures a power distribution of a contact lens comprising:
a power distribution calculating member that determines power distribution information of the contact lens based on optical property measurement information of the contact lens; a correction target selecting member that selects correction target information including positive and negative abnormal peaks on both sides of a lens central axis in a lens central area from among the power distribution information obtained by the power distribution calculating member; and a smoothing member that determines a corrected lens power by substituting the correction target information selected by the correction target selecting member with a correction function that smooths out a region across the both sides of the lens central axis.