Cataract Surgery
GeoLane at PTD dot NET writes:
Discuss the variable lens implants with your surgeon.
They're not variable. They're multifocal. It is a holographic lens with
two fixed focal points. This is a genuinely novel device in optics,
whether or not it is a good thing for an implant. Think of a Fresnel lens
where the alternate rings focus at alternate focal points instead of the
same focal point. This is unlike any other lens made by forming a simple
curved surface.
1.25x for the computer ...
That's 1.25D, not x. The number is the power in diopters. It's not a
magnification.
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