Should a person wearing glasses remove them when reciting the Shema?

This source-based Torah study examines the question: Should a person wearing glasses remove them when reciting the Shema? It follows the canonical Hebrew discussion through the weekly portion and the classical sources cited there, preserving the distinctions and review status of the original. This localized layer is for study and discovery only; it is not a practical halakhic, medical, legal, safety or pastoral ruling.