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O'Neill Fen Overview
Colors
Matte Black
Matte Blue
Matte Gunmetal
Matte Mauve
Size
Lens width
Bridge
Temple
Lens height
52
19
140
—
All measurements in millimetres.
Frame details
Brand
O'Neill
Model
O'NEILL-ONO-FEN
Shape
Rectangle
Rim
Full Rim
Hinges
Spring hinges
Collection
Eyeglasses
Gender
Women's
About the O'NEILL-ONO-FEN
The O'NEILL-ONO-FEN is a women's rectangular frame with a full rim design and spring hinges. The rectangular shape works well for those with round or oval face shapes.
This frame comes in one size: 52-19-140mm (lens width-bridge-temple). The 52mm lens width is on the narrow side of regular, the 19mm bridge is average for this lens width, and the 140mm temple length is standard. To compare with your current glasses, check the numbers printed on the inside of the temple arm.
Order the frame on its own or add prescription lenses made in our U.S. lab: single vision, OmniLux® NAL® lenses or progressives, and prescription sunglasses with Transitions®, tinted or polarized lenses. Free U.S. shipping on every order with prescription lenses.
Frequently asked questions
Which size is the O'NEILL-ONO-FEN?
It comes in one size, 52-19-140. If the first number on the temple of your current glasses is 50–54 mm, it will fit you in a similar way.
Is the O'NEILL-ONO-FEN good for progressive lenses?
Yes. Progressive, OmniLux® NAL® and iLux™ lenses can be made in this frame. If you would like us to confirm the fit for your prescription, contact us before you order.
What are spring hinges?
A small spring in the hinge lets the temple flex outward slightly, which reduces pressure at the sides of your head and helps the frame last.
If you already own a pair of glasses, you'll find numbers engraved on the inside of the eyewear temple. These numbers indicate the following:
LENSWIDTH (A)—
BRIDGEWIDTH (DBL)—
TEMPLELENGTH—
LENSHEIGHT (B)—
The first number is the lens width followed by the bridge width. The third number represents the temple length, or the measurement of the arms of your frame. In some cases there may be a fourth number that indicates the lens height. Measurements in mm.
O'Neill Fen
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