Patent ID: 11877797
Assignee: AMO DEVELOPMENT, LLC
Field: Medical technology (Instruments)
Classification: CPC A | IPC A

Claim 13:
14. A system, comprising:
a first movable stage, wherein the first movable stage is movable under control of the at least one processor with respect to an eye of a subject;
a second movable stage mounted on the first movable stage, wherein the second movable stage is independently movable with respect to the first movable stage and with respect to the eye, under control of the at least one processor;
a fixation target which is disposed on the second movable stage; and
an optical system disposed in an optical path between the fixation target and the eye, wherein the optical system is configured for projecting the fixation target upon the eye to accommodate the eye,
wherein the optical system includes a Stokes cell in the optical path between the fixation target and the eye, and
wherein the optical system non-telecentrically projects an image of the fixation target upon a retina of the eye and a size of the image of the fixation target on the retina become smaller as the fixation target is moved further away from eye by the second stage.