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Please note that all products are custom-made to order, with a lead time of 7 - 10 days till ship date.
Request or change/cancellation must be received within 24 hours of order confirmation to be honored.
Shipping and handling do not include duty, taxes or any costs associated with clearing goods outside of the US.
Frame Sizing Guide
NoIR offers a variety of frames to fit different face shapes and sizes, as well as accomodate people wearing prescription glasses. Please use the below guidelines to find the optimal frame for your needs.
Please keep in mind that although sizing guidelines are consistent within each frame category, they vary across the categories. Wrap-around frames fit closer to the face, while the fitovers run larger because they are often worn over prescription glasses.
Wrap-around frames curve around the side of your eyes and provide a closer fit and a wider field of vision.
Fitover frames are designed to fit snugly over the prescription glasses. They run a bit larger and wider than wrap-around glasses, hence their size designations differ from the wrap-arounds.
Pediatric frames feature wrap-arounds (Frame #14, KM and KS), a clip-on (Frame #16) and a fitover (Frame #41) that are suitable for children and can also accommodate very petite adults.
Clip-on frames attach to your prescription frames as needed. They are intended for the low vision glasses only.
Goggles come with an adjustable strap and fit snugly against the face, forming a protective seal around the eyes. NoIR #60 goggles are for laser applications only.
Optimal Comfort Fitover Guide for prescription glasses users
Measure your prescription frames by placing them on the sizing chart. Your measurements will dictate the size of the fitover frame you need, and guide you to the best possible frame option on the right.
How to Measure Your Prescription Frames
1. Align the left side and bottom of your frame to the bottom left corner of the guide below.
2. Your frames will fit inside the fitovers listed if contained within the guides for that size/frame.
3. Your frames will not fit into fitovers if outside the guides for that frame size.
Click the Fitover Guide button and print to full scale to get acurate frame measurements. Measuring your glasses against the screen will not give you accurate results.
How we measure our frames
W – width is measured center to center at the temple hinge screws
L – length refers to temple length, measured from the temple screw to the end of the temple tip
H – height is the tallest lens point, measured from the bottom to the top of the frame
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Wrap-around Frames |
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| Width Measurements | Size | NoIR Frame Numbers |
| <130 mm | Small | |
| 133 - 148 mm | Medium | 34, 35, 40, 44, 45, 46, 48, 52, 54, 57, 71, 72, 73 |
| 149 - 159 mm | Large | 45, 55, 56, 74 |
| Fitover Frames |
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| Width Measurements | Size | NoIR Frame Numbers |
| 130 mm | Extra Small for Adults/Medium for Pediatric | 41 |
| <134 mm | Small | 31 |
| 141 - 142 mm | Medium | 36, 51 |
| 143 - 146 mm | Large | 33, 38, 43, 53, U/700 |
| >146 mm | Extra Large | 39, L, 53X |
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Pediatric Frames |
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| Width Measurement | Size | NoIR Frame Numbers |
| 108 mm | Toddler | 14 |
| 109 - 126 mm | Extra Small | KS, 16 |
| 127 mm | Small | KM (width the same as KS but lens is taller by 1.5mm) |
| 130 mm | Medium | 41 |
| Clip-On Frames |
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| Width Measurements | Size | NoIR Frame Numbers |
| 110 mm | Pediatric | 16 |
| 112 - 120 mm | Small | 17, 18 |
| 121 - 125 mm | Medium | 19, 23 |
| >126 mm | Large | 20, 21, 22, 24 |
| Goggles |
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| Width Measurements | Size | NoIR Frame Numbers |
| >158 mm | Large (for wrap-around category) | 50 (wrap-around style) |
| >146 mm | Extra Large (for fitover category) | 60 (fitover style) |