Ray-Ban RX8423 Optical Frame pairs a slim metal square silhouette with everyday prescription readiness. Designed for clean, versatile wear, it suits a range of face shapes while keeping a lightweight profile. Key attributes: Black | Metal | Prescription-ready | Prescription-ready | Demo lenses included | Original Ray-Ban case included | Square frame | Gloss finish | Clear demo lenses | Dimensions & fit: Lens width: 54 mm, 56 mm | Bridge: 18 mm | Temple: 145 mm | Lens height: 36 mm, 38 mm | Regular fit | Composition & care: Metal