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A prism of power 1 Δ would produce 1 unit of displacement for an object held 100 units from the prism. Thus a prism of 1 Δ would produce 1 cm visible displacement at 100 cm, or 1 meter. This can be represented mathematically as: = where is the amount of prism correction in prism dioptres, and is the angle of deviation of the light.
The Las Vegas Strip Circuit became the 77th circuit to host a Grand Prix, when it held the Las Vegas Grand Prix in 2023; this is the latest addition to this list. The longest circuit to have hosted a Grand Prix is the Pescara Circuit, which hosted the 1957 Pescara Grand Prix: the 25.800 km (16.031 mi) long circuit in Pescara, Italy, held the ...
Race lap record. 1:25.443 ( Nelson Piquet, Williams FW11, 1986) The Circuit Gilles Villeneuve, also spelled Circuit Gilles-Villeneuve ( French pronunciation: [siʁ.kɥi ʒil vilnœv] ), is a 4.361 km (2.710 mi) motor racing circuit on Notre Dame Island in Montreal, Quebec, Canada. It is the venue for the FIA Formula One Canadian Grand Prix.
The Circuit de Spa-Francorchamps ( French pronunciation: [siʁkɥi də spa fʁɑ̃kɔʁʃɑ̃] ), informally referred to as Spa, [1] [2] is a 7.004 km (4.352 mi) motor-racing circuit located in Francorchamps, Stavelot, Wallonia, Belgium, about 8 km (5.0 mi) southeast of Spa. It is the current venue of the Formula One Belgian Grand Prix, hosting ...
Maddox wing. The Maddox Wing is an instrument utilized by ophthalmologists, orthoptists and optometrists in the measurement of strabismus (misalignment of the eyes; commonly referred to as a squint or lazy eye by the lay person). It is a quantitative and subjective method of measuring the size of a strabismic deviation by dissociation of the ...
Specialty. Ophthalmology. Exotropia is a form of strabismus where the eyes are deviated outward. It is the opposite of esotropia and usually involves more severe axis deviation than exophoria. People with exotropia often experience crossed diplopia. Intermittent exotropia is a fairly common condition. "Sensory exotropia" occurs in the presence ...
History. The circuit has hosted the Formula One British Grand Prix five times, in 1955, 1957, 1959, 1961 and 1962.. In addition to the Grands Prix, which were organised by the British Automobile Racing Club, the circuit also held eleven non-championship Formula One races, known as the Aintree 200, first won by Stirling Moss in 1954 with the last winner being Jack Brabham, in April 1964 ...
Amblyopia. Anisometropia is a condition in which a person's eyes have substantially differing refractive power. [1] Generally, a difference in power of one diopter (1D) is the threshold for diagnosis of the condition . [2] [3] Patients may have up to 3D of anisometropia before the condition becomes clinically significant due to headache, eye ...