[Leica] Leicas and Cataracts

Rei Shinozuka shino at panix.com
Sun Sep 25 06:10:07 PDT 2016


Update, I'm proceeding with cataract surgery in mid October.

I was reassured in the doctor's office when I looked up and saw this 
friendly make:

http://www.gallery.leica-users.org/v/shino/techie/IMG_1694.JPG.html

-rei


On 08/27/2016 04:56 PM, Rei Shinozuka wrote:
>
>
> First, "Hi" to the LUG and the many friends I've met here.   I've been 
> pretty quiet here as of the last few years (I switched to digest), but 
> I still get out the M9 and Noctilux from time to time:
>
> http://gallery.leica-users.org/v/shino/2016arizona/
>
> http://gallery.leica-users.org/v/shino/tedsprom/
>
> Here's my question and I hope it's not considered rudely off-topic for 
> this board (thought it involves optics and Leicas)
>
> I was recently diagnosed with cataracts in the right eye and despite 
> my love of bokeh and optical aberations, it's degraded my vision to 
> the point where I'm going to have to get the eye treated.
>
> I've read up on cataract surgery.  It looks like there are 3 types of 
> solutions on the market today.  From the web this is what I've gleaned:
>
> A. Monofocal
> PROS: Good image quality
>            Most mature product
> CONS:  Set to focus at one distance only; need glasses for near distances
>
> B. Multi-Focal (e.g. TECHNIS, RESTOR)
> PROS: Concentric lenses set at different focus distances, allows focus 
> on near/intermediate/distance
> CONS: Inferior image quality, halos at night, decreased low-light 
> sensitivity
>
> C. Accomodative (e.g. CRYSTALENS, TRULIGN)
> PROS: Dynamically focuses like the human eye, good image quality
> CONS: Limited range of focus, newest technology
>
> I'd love to keep using my RF Leicas.  Has anyone on this list 
> undergone a Cataract procedure in the last few years, and has it 
> affected his or her photography?  Has anyone tried one of the premium 
> types (bottom 2 choices in the above table).  I'd love to hear your 
> experiences.
>
> Most doctors don't quite get it when I say "But doc, will I still be 
> able to focus accurately at f1.0?" but I think many of you will 
> understand.
>
> thanks!
>
> -rei
> shino at panix.com
>
>
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