Very true as well, that’s a big reason why our natural lenses degrade over time.

https://link.springer.com/article/10.1007/BF02172758

Based on this link, UV absorbing intraocular lenses have been around since the ‘80s, but not all of them are very effective, and they’re not universally used. Based on a little reading, it’s unclear what makes it difficult, but my guess is that it’s hard to exclusively block UV light without affecting the tint and clarity of the lens.

People tend to focus way too much on neurotransmitters, rather than neural pathways. It’s like trying to understand a military conflict while only learning about the bullets being used.