Thin Tec prescription lens upgrade.

This is required for certain prescription lenses.

This a thinner, optically brilliant lens for prescriptions. It takes weight and thickness out of higher prescriptions.

Required for certain lenses. We will let you know if this needs to be added to your prescription.

$50 for both lenses. Picture for illustrative purposes. Not a visual of the lenses.

The difference that Thin Tec makes:

• PLUS 4.00 : lighter by 46%, thinner by 43%

• MINUS 4.00 : lighter by 31%, thinner by 43%