The USPTO issued Patent US12593976B2 covering methods and systems for measuring the visual axis of the eye. The patent discloses techniques for determining angular offsets between a person's visual axis and optical axis, or between line of sight and optical axis. The technology has applications in diagnosis and surgical procedures involving eye alignment.

For manufacturers of eye measurement devices and surgical systems, this patent establishes intellectual property rights that may affect product development strategies. Companies developing similar eye tracking or axis measurement technologies should review the patent claims to assess potential infringement risks and explore licensing options.