Matsuda presents the Optical Frame, a refined square acetate model designed for everyday wear. Its clean grey crystal finish and detailed temple accents make it versatile across styles. Key attributes: Grey | Clear | Acetate | Includes original case | Prescription-ready | Square frame | Full rim | Engraved temple detail | Dimensions & fit: Lens width: 52 mm | Bridge width: 21 mm | Temple length: 145 mm | Frame size: 52-21-145 | Composition & care: Acetate | Store in the original case; clean lenses with a microfiber cloth; avoid exposure to high heat and harsh chemicals. Colour: metallic