Prescription Spectacle Inserts International, LLC (originally founded as Scuba Spec, Inc. in 1974) manufactures and sells prescription lens inserts for use in full facepiece respirators (Smoke Spec) and single lens dive and snorkeling masks (Scuba Spec).  These spectacle inserts were invented by Dr. Sidney Shedrow, an optometrist in Savannah, Georgia.  The Smoke Spec is used in a wide range of occupations and industries (e.g., first responders, chemical, mining, oil and gas industries, agriculture, academia and the military).  The Scuba Spec is used primarily by recreational scuba divers and snorkelers.  The Smoke Spec and Scuba Spec inserts are sold through Amazon.com, selected wholesale distributors, eye-care professionals and this website.

If you have any questions regarding our product line, please don’t hesitate to contact me.

Barry Shedrow, President


Dr. Shedrow’s Office in Savannah, GA (circa 2000)