Patent ID: 9645412
Date: 2017-05-09
CPC Classifications: A61B,G02C

Claim:
1. A method for identifying a custom contact lens for a patient, comprising: receiving as input results from a bare eye examination of a patient including at least a measured sphere power; receiving as input a target or actual measured sphere power of a fitting lens selected based on said measured sphere power; receiving as input results of an over-refraction examination of a patient wearing said fitting lens, wherein the results of the over-refraction examination include at least a measured sphere power; calculating the power delivered by the fitting lens on the patient's eye based on input received from the bare eye examination and over-refraction examinations; calculating an effectiveness ratio using the calculated power delivered by the fitting lens and the target or actual measured sphere power of the fitting lens; and calculating a custom lens power for said patient using the effectiveness ratio and measured sphere power from the bare eye examination.