What are High Index 1.74 Lenses?
If you have a very strong prescription, you should consider ultra thin high index 1.74 lenses.
High Index 1.74 lenses are the thinnest, flattest, and most cosmetically appealing lens ever developed.
These ultra thin lenses are nearly 50% thinner than plastic and 5% thinner than 1.67 high index lenses, offering you the ultimate in technology and cosmetics. The thinner lens is much more flattering, reducing the distortion that high prescriptions cause when made with lower quality lenses.
Hi-index 1.74 lenses are perfect for:
- People with +/- 2, and stronger prescriptions
- People who are self conscious about the thickness of thier lenses
- People who wear contacts because traditional lenses distort their eyes
High index lenses have a flatter curve than their lower-index counterparts for a reduced lens profile. A flatter curve, however, can cause off-axis blurred vision. To compensate, the 1.74 lens incorporates optical aspheric technology into the lens design. Not all aspherics are created equal. FramesDirect.com uses Essilor lenses, known in the industry for having the most advanced optical performance and flattest design for aesthetic appeal.
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