Quote:
Originally Posted by Satchmo
The natural lens yellows as it ages filters out the blue /violet end of the spectrum . The blue/blocking lens replacement has a 10% light transmission at 405nm similar to the aged eye . Cataracts are particularly yellow orange in colour . Even with a single lens replacement with a clear lens , my perception of blue light with both eyes open improved dramatically and whites looked really white . And there was certainly a big difference when looking through a telescope at M42 Orion nebula for example .
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Thanks.
Sounds like I have something to look forward to!
Cheers,
Renato