Oliver Peoples Aiona Optical Frame is a made-in-Japan square acetate frame featuring a bold acetate cut. It’s designed for everyday prescription wear and a larger lens front for broader face coverage. Key attributes: Black | Acetate | Compatible with prescription lenses | Includes demo lenses | Square frame | Bold acetate cut | Genuine plaques | Custom corewire | Dimensions & fit: Lens width: 51 mm | Bridge width: 16 mm | Wide fit | Universal fit | Composition & care: Acetate