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Oculus
An oculus is a circular opening in the center of a dome or in a wall. Originating in antiquity, it is a feature of Byzantine and Neoclassical architecture. It is also known as an œil-de-boeuf from the French, or simply a "bull's-eye".
An oculus is a circular opening in the center of a dome or in a wall. Originating in antiquity, it is a feature of Byzantine and Neoclassical architecture. It is also known as an œil-de-boeuf from the French, or simply a "bull's-eye".