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An oculus (from Latin oculus 'eye'; pl.: oculi) is a circular opening in the center of a dome or in a wall. Originating in classical architecture, it is a feature of Byzantine and Neoclassical architecture. A horizontal oculus in the center of a dome is also called opaion (from Ancient Greek ὀπαῖον '(smoke) hole'; pl.: opaia).
Oculus (a term from Latin oculus, meaning 'eye'), ... Oculus (architecture), a circular opening in the centre of a dome or in a wall; Arts, entertainment, and media
The oculus is unusually large, more than two-fifths the span of the room, and it may have served to support a lightweight lantern structure or tholos, which would have covered the opening. Circular channels on the upper surface of the oculus also support the idea that this lantern, perhaps itself domed, was the rotating dome referred to in ...
Oculus of the Pantheon. This is a list of Roman domes. The Romans were the first builders in the history of architecture to realize the potential of domes for the creation of large and well-defined interior spaces. [1] Domes were introduced in a number of Roman building types such as temples, thermae, palaces, mausolea and later also churches.
There are two storeys and five bays, the middle three bays projecting under a pediment containing an oculus with keystones. In the outer bays are round-arched doorways with architraves, pilasters with leafy capitals, and keystones. Between these are two windows with segmental heads, and the upper floor contains round-arched windows with ...
His completed 1869 design was a grid of nine domes, each with an oculus, supported by 16 thin cast iron columns, four of which were free-standing under the central dome. [62] The domes themselves, supported on iron arches, were covered in white ceramic panels nine millimeters thick. [63]
As the buttressing systems of early Gothic architecture reduced the structural need for broad expanses of thick walls, window openings grew progressively larger and instead of having just one very large window per bay division (which would create problems with supporting the glass), the typical early-Gothic 'twin lancet plus oculus' form of ...
I quattro libri dell'architettura (The Four Books of Architecture) Andrea Palladio ( / p ə ˈ l ɑː d i oʊ / pə- LAH -dee-oh ; Italian: [anˈdrɛːa palˈlaːdjo] ; Venetian : Andrea Paładio ; 30 November 1508 – 19 August 1580) was an Italian Renaissance architect active in the Venetian Republic .