Patent ID: 9606359
Date: 2017-03-28
CPC Classifications: G02B

Claim:
1. An apparatus, comprising: a first optic comprising a first lens; a see-through display; and a second optic comprising a second lens; wherein: said first optic is adapted to receive optical environment content from an environment external to said apparatus and deliver said optical environment content to said see-through display; said see-through display is adapted to deliver optical output content to said second optic, and to receive said optical environment content and deliver said optical environment content to said second optic; said second optic is adapted to receive said optical output content and said optical environment content and deliver said optical output content and said optical environment content to a viewing position; said first optic is adapted to alter a focal vergence of said optical environment content; and said second optic is adapted to alter said focal vergence of said optical environment content, and to alter a focal vergence of said optical output content; such that said focal vergence of said optical output content and said focal vergence of said optical environment content are alterable substantially independently.