Notas del episodio
Producers Phill Rosen and Ray 'DECA' Horton discuss the history of corrective eyewear from Ancient history to the modern era.
Palabras clave
Corrective LensesEyewearReading StonesReadersContact LensesRenaissanceAncient HistorySpectaclesGlassesEyeglassesAstigmatismMyopiaHypermetropiaAnisometropiaAntimetropiaBi-Focal LensesMiddle AgesModern Eyewear