What can the members here tell me about the “SHAW Lens” and their experience with it?

From my other thread on this patient I’m thinking of with regard to this lens:

https://www.optiboard.com/forums/sho…ith-a-High-Cyl

Patient is aniseikonic, absolute differential magnification between the eyes is ~4.8% (left eye magnifies, right eye minifies), but has declined any interest in handling the issue. He has tried to address this before and hated the outcome.

He has tried correcting this before, but his issue with the correction stemmed from the one lens being substantially thicker than the other, which he found unacceptable. The contact + lens option was considered, but ultimately rejected, with no mention of why, but a visit to a neuro-ophthalmologist was noted, but no further information was present. I contacted this provider and had records sent over. Apparently he suffered a trigeminal nerve injury due to a severe accident when he was younger, and subsequently developed neurotrophic keratoconjunctivitis sicca OD. So there is a neurotrophic issue, but apparently it is not severe enough to be degenerative, but enough to prevent regular contact use.

One of the responses to the original thread was from someone with a similar situation and he gave a very positive review of the SHAW lens.

I must admit, I have absolutely no familiarity with the SHAW lens, I asked my co-workers and my boss about it, but none of them are familiar with it either. Can anyone here tell me how it is different from the typical solution of using an approach that causes a change in the thickness of the final lens? Are there are good technical papers that get into the details of the differences in the SHAW lens vs. a typical approach to this issue? Is it worth considering in a case like this?

Any insight is appreciated.

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