Viva 256 glasses are designed for men and women featuring spring hinges and skull temples. The Viva 256 glasses model is made of metal and manufactured in China.
- Gender: Unisex
- Age Group: Adult
- Shape: Modified Oval
- Hinge: Spring Hinge
- Temple: Skull
- Bridge: Adjustable nose pads
- Country: China
- Category: Rimless Eyeglasses
- UPC: 715583226913
- Edge type: Grooved
- Material: Metal
- Rim: Semi-Rimless
- Trim: Other
- Warranty: 3-year warranty.
- Product Group: Rx-able eyeglasses
Default size:
- Screw to Screw: 130 mm .......... Distance all the way across the frame front, from hinge to hinge.
- Eye: 52 mm .......... Horizontal width of each lens at its widest point.
- Bridge: 17 mm .......... Distance between the lenses at the narrowest point.
- Temple: 135 mm .......... Length of the temple from hinge to ear tip.
- B "Height": 32 mm .......... Vertical height. Multifocal lenses require a minimum 28mm "B" measurement.
- ED: 53 mm .......... Diagonal measurement of lens.
- Circumference: 136 mm .......... Lens circumference.


