Thinner and lighter lenses to increase comfort with higher prescriptions. All high index lenses has our blue light filter and crystalux built in.
Standard lenses are ok for prescriptions below ±2.50.
Recommendations for each prescription.
1.60 Index: ±2.50 to ±3.50
1.67 Index: ±3.75 to ±4.50
1.74 Index: ±4.75 to ±6.00