Can I get 1.74 high index lenses with a -6/-6.5 prescription or are they exclusive for higher prescriptions? I'm mainly worried about thickness. - Quora
Mill Creek Family Eye Center - 1.67 Vs 1.74 High Index Lenses High index lenses come in a few different indexes. Which ones should I get? High Index Lenses: 1.67 Vs 1.74
![Lens Index - Ultimate Guide for Buyers - Framesbuy Blog - Stuff that matters, daily updates on eye care and fashion. Lens Index - Ultimate Guide for Buyers - Framesbuy Blog - Stuff that matters, daily updates on eye care and fashion.](https://www.framesbuy.co.uk/trends/wp-content/uploads/2019/05/lens-index-chart.jpg)