29/09/2026
A major industry shift began with a change in regulation.
When the US introduced new impact-resistance requirements in 1972, glass lenses faced a significant problem: meeting the standard meant making them thicker and heavier.
For companies like SOLA, this created an opportunity, but also a major technical challenge. CR-39 had the potential to replace glass, but making it work reliably as a prescription lens required solving a whole new set of manufacturing problems.
Rod Watkins was there as SOLA worked through those challenges and helped turn CR-39 from an emerging material into a practical option for prescription lenses we use today.
Listen to the full story of SOLA from Rod Watkins' perspective on the latest episode of The Focused View.
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