Apple patent reveals ‘head-mounted display device with vision correction’

Apple has been granted a U.S. patent (number 20200174284) for a “head-mounted display device with vision correction” that suggests work on “Apple Glasses” smartglasses that can be equipped with prescription lenses.
Apple patent application illustration for “head-mounted display device with vision correction” (source: USPTO)
Dennis Sellers for Apple World Today:Here’s Apple’s summary of the invention: “A head-mounted display may include a disp