Patent ID: 7909463

Claim:
An apparatus for determining defects of the retina of the eye by interaction between a patient and an examiner, said apparatus comprising: an adaptive optical system configured to form an image in the eye of the patient; said adaptive optical system being configured to have its optical characteristics changed by at least one signal, in an attempt to compensate distortions of the image due to aberrations of the eye and thus defining a first set of aberration data which correspond to the objective aberrations of the eye; an electronic control system operatively connected to said adaptive optical system; said electronic control system comprising an arrangement configured to modify, at least once, the optical characteristics of said adaptive optical system, and being configured to output at least one signal to obtain a modified image, in an attempt to correct for the distortions of the image as perceived by the patient through interaction with the patient in a subjective assessment thus defining a second set of aberration data; and an image sensor, being adapted to obtain the first image data and the second image data corresponding to first and second aberration data, the apparatus being adapted to compare the first set of data and the second set of data and determine the regions of the retina related to these sets of data in which these sets of data are different.