O'Neill

O'Neill ONO 4521 Glasses Brown

★★★★★ Google Reviews Trustpilot UK Registered Dispensing Optician
52 – 16 – 135 Narrow fit
Lens: 52mm · Bridge: 16mm · Arm: 135mm Frame suitability checked for your prescription
£50.00 Frame without prescription lenses Supplied with manufacturer demo lenses Complete prescription glasses from £90.00 Single vision clear lenses add from £40.00 Includes anti-reflection as standard
Pay in 3 with Klarna Spread the cost with interest-free instalments at checkout. Subject to eligibility. Terms apply. Final payments depend on your selected lenses.
Free UK Delivery 14-Day At-Home Trial Anti-Reflection Included 2-Year Coating Guarantee

What our clients say

Trusted for service, styling & lenses

4.9 out of 5 based on reviews ★★★★★

★★★★★

The whole process was smooth, and the quality of the frames and lenses is outstanding.

— Mohammed L.
★★★★★

Absolutely over the moon with my new glasses. Lightweight and so comfortable.

— Maisie W.
★★★★★

Scott explained everything clearly and helped me find the right balance with the frames and lenses.

— Amanda B.

Lens Options

View lens guide →

Frame Details

Brand
O'Neill
Model
O'Neill ONO 4521 Glasses Brown
Frame material
TR90
Frame colour
Brown
Rim style
Full Rim
Spring hinges
Yes
Includes
Original Etui

Size & Fit

Narrow fit

Will these frames fit?

Compare these measurements with a pair of glasses you already wear comfortably.

52 mm Lens Width
O'Neill glasses, O'Neill Optical Frames ONO 4521 102 52 – Burghley & Co (Image 1)
16 mm Bridge
135 mm Arm Length
This frame is a narrow fit.

Best compared with a pair you already own. The measurements shown are lens width, bridge width and arm length.

Frame size guide →