Persol Greta Eyeglasses combine Persol’s classic pilot silhouette with a durable acetate frame, designed for everyday optical use and prescription conversion. Key attributes: Gray | Grey | Acetate | Durable acetate construction | Prescription-ready frame | Supplied with clear demo lenses | Pilot (aviator) shape | Medium lens front | Shiny finish | Dimensions & fit: Lens width: 54 mm | Bridge width: 18 mm | Temple length: 145 mm | Regular fit | High bridge fit | Composition & care: Acetate | Wipe lenses and frame with a soft microfiber cloth; avoid solvents and abrasive cleaners; store in a protective case.