Tom Ford Blue Block Navigator Opticals pair a slim navigator (pilot) silhouette with blue-block lenses for everyday screen protection and prescription versatility. Key attributes: Gray | Acetate | Blue-block lens protection | Ready-to-wear blue-block lenses | Lenses removable for prescription by an eye care professional | Navigator (pilot) shape | Ultra-slim acetate frame | Full-rim design | Shiny metal T logo on the front | Dimensions & fit: 57-13-140 | Composition & care: Acetate frame | Plastic lenses | Wipe lenses with a microfiber cloth; avoid abrasive cleaners; professional adjustments recommended.