Greetings ~ Anyone have ideas on how to opaque a lens in one direction? The principle would be the same as one way glass. I have a patient with glaucoma and macular degeneration .. more comfortable to close an eye than to keep both open while wearing eyeglasses but impractical to do 100% of the time. Looking for a way to accomplish functually and cosmetically so patient can keep both eyes open with one eye opaque but transparent from outside looking in. I thought of putting a mirror coating on concave side but don't know if it would work ... I question whether it would be totally opaque. Suggestions and/or other solutions are appreciated.
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