I was 47 when I had it done. I only needed reading glasses beforehand, but now nothing. In terms of how big the benefit might be, I suppose it depends upon how much glasses bother you.
In terms of the foreign object insertion (ooh Matron no), here is Vizard's fascinating fact #267554 - medics discovered that the natural lens could be replaced with a plastic one, without rejection, after monitoring WWII pilots who got shattered perspex canopy shards in their eyes. The body tolerated them, and the seed of an idea was planted.
You're welcome.
Click to expand...