On 13/02/2020 22:50, bert wrote:
In article , The Natural Philosopher
writes
On 13/02/2020 12:30, bert wrote:
In article , NY writes
I've always wondered what eye surgeons do when they replace
cataractsÂ* in both lenses? Do they set both eyes to a fixed infinity
(and requireÂ* the person to wear glasses to read)
Yes
No.


Yes

No.

As someone else has confirmed, you can have whatever focal length you want.

You can even get varifocal or accomodating lenses these days.


--
If I had all the money I've spent on drink...
...I'd spend it on drink.

Sir Henry (at Rawlinson's End)