duction


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duc·tion

(dŭk'shŭn),
1. The act of leading, bringing, conducting.
2. In ophthalmology, ocular rotations with reference to one eye; usually additionally designating direction of movement of the eye; for example, rotation toward the nose, adduction; toward the temple, abduction; upward, supra- or sursumduction; downward, deorsumduction; of the upper pole of one cornea, cycloduction; of the upper pole of one cornea outward, excycloduction; of the upper pole of one cornea inward, incycloduction.
[L. duco, to lead]

duc·tion

(dŭk'shŭn)
1. The act of leading, bringing, conducting.
2. In ophthalmology, ocular rotations with reference to one eye; usually additionally designating direction of movement of the eye.
[L. duco, to lead]

duction

1. Movement of one eye alone as in abduction, adduction, depression, elevation, etc. 2. Disjunctive binocular movements (although it is more correct to call these movements vergences). See dextroduction; laevoduction; disjunctive eye movements.
binocular duction refers to the maximum vergence powers that can be exerted while maintaining single binocular vision through prisms, either in the base-in or base-out direction. Binocular ductions are measured from the passive position (or phoria position) to the break point.
References in periodicals archive ?
The industrialisation project calls for massive production of gunny bags to support pro- duction in the export-oriented agro-industries, notably cashew nuts, sugar, coffee, cotton and tea factories.
According to the stats collected pro- duction of tractors is done in large-scale manufacturing sector.
If a preoperative forced duction test was positive, antagonist muscle weakening surgery was performed, and then augmented partial rectus muscle transposition (APRMT) + partial horizontal rectus recession-resection was performed 2 months later.
The advanced manufactur ing plant will utilise the latest technology available in the pro duction process and, at the same time, meet the highest environ mental requirements for produc ing Honda motorcycles.
Forced duction test preoperatively showed restriction in adduction and supraduction in both cases.
As expected, China represents a large and rapidly modernizing tire market, and the growth of China's tire pro duction capacity is positioning China as a leader in the global tire industry, as well as a major carbon black supplier.
In theatre and prior to surgery all patients underwent forced duction tests to document entrapment of orbital tissue within the fracture site.
Other routes hit by a re duction in services are Holyhead to RAF Valley, Ban gor to Newborough, Llangefni to Benllech, Bangor to Cemaes, and Llangefni to Llangaffo.
The dog pound, which was the first area to start pro duction picking with voice, was up and running flawlessly within days.
Saudi Arabia the Arab world's largest economy is encouraging food companies to invest in Africa and Asia to reduce local grain pro duction and conserve water.
Even big produc tion units are splitting their operations in to smaller ones, in a bid to control unionism or are contracting their work to smaller pro duction units, though both the options reduce their competitiveness.
Originally discovered as a dietary factor essential for reproduction in rats, vitamin E has revealed in the meantime many more important molecular properties, such as the scavenging of reactive oxygen and nitrogen species with consequent prevention of oxidative damage associated with many diseases, or the modulation of signal trans duction and gene expression in antioxidant and non-antioxidant manners.