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Specialty. Neurology, ophthalmology. Diplopia is the simultaneous perception of two images of a single object that may be displaced horizontally or vertically in relation to each other. [1] Also called double vision, it is a loss of visual focus under regular conditions, and is often voluntary.
Esotropia is a form of strabismus in which one or both eyes turn inward. The condition can be constantly present, or occur intermittently, and can give the affected individual a "cross-eyed" appearance. [1] It is the opposite of exotropia and usually involves more severe axis deviation than esophoria. Esotropia is sometimes erroneously called ...
The strength of the prism is increased until the streak of the light passes through the centre of the prism, as the strength of the prism indicates the amount of deviation present. The Maddox rod is a handheld instrument composed of red parallel plano convex cylinder lens , which refracts light rays so that a point source of light is seen as a ...
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]
Esophoria is an eye condition involving inward deviation of the eye, usually due to extra-ocular muscle imbalance. It is a type of heterophoria. Cause. Causes include: Refractive errors; Divergence insufficiency; Convergence excess; this can be due to nerve, muscle, congenital or mechanical anomalies.
The Nocturne No. 20 in C♯ minor, Op. posth., Lento con gran espressione, P 1, No. 16, KKIVa/16, WN 37, is a solo piano piece composed by Frédéric Chopin in 1830 and published in 1875. Chopin dedicated this work to his older sister Ludwika Chopin, with the statement: "To my sister Ludwika as an exercise before beginning the study of my ...
The C# programming language provides many classes and methods to perform file and stream input and output. The most common stream classes used for file and stream I/O within the .NET Framework are listed below: Class. Function. FileStream. Reading and writing to a standard file. IsolatedStorageFileStream.
The first few bars of Scriabin's Étude Op. 2 No. 1. Étude Op. 2 No. 1 is in 3/4 time and is in the key of C-sharp minor . The melody is poignant and heartfelt, showing many characteristics of Russian Gypsy music [citation needed]. It is accompanied by repeated chords in both hands, featuring rich harmonies, inner voices, and large spreads in ...
The Scherzo No. 3, Op. 39, in C ♯ minor by Frédéric Chopin. He began composing it 1838 in the abandoned monastery of Valldemossa on the Balearic island of Majorca, Spain, and completed it back in France by the end of 1839. [1] This is the most terse, ironic, and tightly constructed of the four scherzi, with an almost Beethovenian grandeur.
P. Piano Concerto for the Left Hand (Korngold) Prelude and Fugue in C-sharp major, BWV 848. Category: Compositions by key.