CPC G02B 27/0172 (2013.01) [G06F 3/013 (2013.01); G06T 7/70 (2017.01)] | 18 Claims |
1. An optical element comprising:
a central region having a fixed optical power, wherein the fixed optical power is one of: a zero optical power, a negative optical power; and
a peripheral region surrounding the central region, at least a portion of the peripheral region having an adjustable optical power, wherein the optical power of the portion of the peripheral region is to be selectively adjusted to produce a given optical power,
wherein when the fixed optical power is the zero optical power, the given optical power is a positive optical power, and
when the fixed optical power is the negative optical power, the given optical power is one of: the positive optical power, the negative optical power.
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