These are clip-on polarized sunglass lenses that flip up when you step indoors, so you keep your prescription glasses on. The lens is 60mm wide by 43mm high with a 13mm bridge, and the frame is about 133mm across, so they fit only eyeglasses of matching size. Polarized lenses cut glare and block 100% of UVA, UVB, UVC and blue light up to 400nm, and the lenses meet ANSI Z80.3, EN ISO 12312-1 and AS/NZS 1067 standards. They suit glasses wearers who drive, fish or spend time outdoors and want sun protection without a second pair of prescription sunglasses. The trade-off against custom prescription sunglasses is fit: these clip onto one lens size only, and the flip hinge adds a little bulk over the bridge.
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Rated 4.7 out of 5 across 260 ratings, buyers mostly report the lenses cut glare well and the flip-up action is handy. Complaints center on fit, since the clip works only on eyeglasses of the stated size.
These are polarized flip-up clip-on sunglasses sold as a 4-pack. They clip onto eyeglasses and are meant for frames of the same size as the clip-on, which has 60mm x 43mm lenses.
The polarized lens material filters out 100% of UVA, UVB and UVC light and harmful blue light up to 400nm. The lenses are made for optical clarity, visual fidelity and impact resistance.






