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Prism dioptres. Prism correction is commonly specified in prism dioptres, a unit of angular measurement that is loosely related to the dioptre. Prism dioptres are represented by the Greek symbol delta (Δ) in superscript. A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. [2]
The Vietnamese Wikipedia ( Vietnamese: Wikipedia tiếng Việt) is the Vietnamese-language edition of Wikipedia, a free, publicly editable, online encyclopedia supported by the Wikimedia Foundation. Like the rest of Wikipedia, its content is created and accessed using the MediaWiki wiki software.
An endoscope is an inspection instrument composed of image sensor, optical lens, light source and mechanical device, which is used to look deep into the body by way of openings such as the mouth or anus. A typical endoscope applies several modern technologies including optics, ergonomics, precision mechanics, electronics, and software engineering.
In with-the-rule astigmatism, the eye has too much "plus" cylinder in the horizontal axis relative to the vertical axis (i.e., the eye is too "steep" along the vertical meridian relative to the horizontal meridian). Vertical beams of light focus in front to horizontal beams of light, in the eye.
Sessions. 1st. 20 July 2021 – 28 July 2021. The 15th National Assembly of Vietnam ( Vietnamese: Quốc hội Việt Nam khóa XV, lit. 'National Assembly of Vietnam XV'; less formally the 15th National Assembly - Vietnamese: Quốc hội khóa XV, lit. 'National Assembly XV') is a parliamentary cycle that commenced in July 2021 following the ...
Visual perception is the ability to interpret the surrounding environment through photopic vision (daytime vision), color vision, scotopic vision (night vision), and mesopic vision (twilight vision), using light in the visible spectrum reflected by objects in the environment.
In 1965, Saigon Television Station (THVN), the first television station of Vietnam, was established. On January 22, 1966, the first television program was broadcast, and then officially aired in the South on February 7 of the same year. Black-and-white television station with the FCC television specification, 4.5 MHz voice modulation.
Viet and Nam ( Vietnamese: Trong lòng đất ), also spelled Việt and Nam, is a 2024 Vietnamese-Filipino romantic drama is about two coal miners who were lovers, dreaming for better life by escaping their lives until a doomed future parts them. The film was banned in Vietnam. The film had its world premiere at the Un Certain Regard section ...