Aalto Optical Violastro makepositive Vonage Contact Centers. Aalto Optical is a tall, oversized acetate optical frame, designed for an all day everyday use. The model features sturdy rims and square lenses, with a lowered nose bridge and curved upper line. Its determined frame has been chiseled on the sides for a lightweight yet sturdy fit. This version comes in a playfully serious purple crystal acetate. Prescription lenses not included. Sizes: R. Lens Width: 52 mm. Frame Front: . Frame Side: 145 mm. . Product Code Size R: . Product code: RB3