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Is There a Big Difference Between 1.67 and 1.74 High Index Lenses?
When shopping for high index lenses, you’ll come across two popular options: 1.67 and 1.74 high index lenses. While both serve the purpose of thinning out lenses for higher prescriptions, there are some key differences that can impact both cost and visual comfort. Here’s what to consider when deciding between these two high index options. […]
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