INSERT-FREE PRESCRIPTION CORRECTION OPTICAL MODULE

Abstract: an optical module includes an electronic display configured to project image light along an optical axis and a lens assembly aligned with the optical axis, the lens assembly including (i) a primary optical element having a cylindrical surface profile defining a primary cylinder axis rotatably alignable with a first direction, and (ii) a secondary optical element having a cylindrical surface profile defining a secondary cylinder axis rotatably alignable with a second direction. astigmatism correction for the optical module may be achieved through independent rotation and alignment of the primary and secondary optical elements with respective correction settings.

Inventor(s): Brent Bollman, Timothy Louis Wong, Alexander Sohn

CPC Classification: G02B27/0025 (Optical systems or apparatus not provided for by any of the groups - ,)

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