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Optic nerve head Oph Ophthalmoscopy OS oculus sinister (left eye) OU oculus uterque (both eyes) PD Pupillary distance PERRLA Pupils equal, round, reactive to light and accommodation PH Pinhole see Pinhole occluder and Visual_acuity#Legal_definitions: PHNI Pinhole No Improvement see Pinhole occluder and Visual_acuity#Legal_definitions: PHVA
Cockpit of an IAR 80 fighter fitted with a I.O.R. Telereflex reflector sight. The company was established in 1936 as a joint-venture between the Romanian industrialists Nicolae Malaxa and Max Auschnitt, engineer Petre Carp, with participation from the French companies Optique & Précision de Levallois and Bernard-Turnne.
Mircea Lucescu (Romanian pronunciation: [ˈmirtʃe̯a luˈtʃesku]; born 29 July 1945) is a Romanian professional football manager and former player, currently the head coach of the Romania national team.
A Fata Morgana seen over the Baltic Sea, 2016. The mirage consists of multiple upright and inverted images over the original object. A Fata Morgana of a container ship seen off the coast of Oceanside, California A Fata Morgana changing the shape of a distant boat
In the Book of Optics, al-Haytham hypothesized the existence of primary and secondary light, with primary light being the stronger or more intense of the two.The book describes how the essential form of light comes from self-luminous bodies and that accidental light comes from objects that obtain and emit light from those self-luminous bodies.
Fibre-optic communication relies on lasers to transmit large amounts of information at the speed of light. Other common applications of lasers include laser printers and laser pointers . Lasers are used in medicine in areas such as bloodless surgery , laser eye surgery , and laser capture microdissection and in military applications such as ...
The visual system is the physiological basis of visual perception (the ability to detect and process light).The system detects, transduces and interprets information concerning light within the visible range to construct an image and build a mental model of the surrounding environment.
Electro–optics is a branch of electrical engineering, electronic engineering, materials science, and material physics involving components, electronic devices such as lasers, laser diodes, LEDs, waveguides, etc. which operate by the propagation and interaction of light with various tailored materials.