Radnor 1700 Series Dual Lens Eyewear From the soft nose pads through the straight spatula temple with length and ratcheting height adjustment, the 1700 Series Dual Lens eyewear is built with comfort in mind. The nylon frame has soft inserts above the ears for a secure fit. The dual lenses wrap around and provide integral side protection and block 100% of harmful UV rays. All of this in a package that weighs less than an ounce.