Electronic Viewfinder Eyepiece Design: A Patent Study 

I loaded the specs from an electronic viewfinder patent into Zemax OpticStudio, and this is what I found. A quick comparison will be made with near-eye displays.
Some features of OpticStudio will also be explored, including coordinate breaks, the multiconfiguration editor, and optimization.
The eyepiece patent is US Patent number 8,531,774 B2.
The head mounted display patent is US Patent number 10,302,906 B2.
OpticStudio is a product of Zemax (www.zemax.com)
Two Zemax KnowledgeBase articles have been helpful to me:
Coordinate Breaks: support.zemax....
Model of the human eye: support.zemax....
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Photo Credits (in order of appearance):
(1) Sergeant Rupert Frere RLC/MOD
(2) Petar Milošević - Own work, CC BY-SA 4.0, commons.wikime..., License: commons.wikime...
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