Patent ID: 9706912
Date: 2017-07-18
CPC Classifications: A61B

Claim:
1. A method for measuring a characteristic of a subject's eye, the method comprising: an optical measurement instrument receiving from an operator, via a user interface of the optical measurement instrument, a begin measurement instruction indicating the start of a measurement period for objectively measuring at least one characteristic of the subject's eye; subsequent to receiving the begin measurement instruction, determining whether a criterion associated with the tear film quality of the subject's eye is not satisfied, which comprises determining whether an elapsed time period associated with the subject blinking exceeds a threshold; and in response to determining that the criterion is not satisfied, taking one or more corrective actions to measure the characteristic of the subject's eye under a condition wherein the criterion is satisfied, which comprises, in response to determining that the elapsed time period associated with the subject blinking exceeds the threshold providing an indication via the user interface to the operator that the subject should blink.