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Signal strength plays an important role in the literature of binocular rivalry and visual suppression. Similarly in BSS, it is one of the factors that determine which stimulus gets suppressed perceptually. It is a multidimensional construct that is related to the stimulus' properties.
strength of binocular functions (control) of a heterophoria to determine if it is decompensating [5] fusional convergence with a base out prism; fusional divergence with a base in prism; vertical amplitude with base up and base down prisms; positive and negative relative fusional convergence by asking patient to report when blur is appreciated
The aim of an accurate intraocular lens power calculation is to provide an intraocular lens (IOL) that fits the specific needs and desires of the individual patient. The development of better instrumentation for measuring the eye's axial length (AL) and the use of more precise mathematical formulas to perform the appropriate calculations have significantly improved the accuracy with which the ...
The Worth Four Light Test, also known as the Worth's four dot test or W4LT, is a clinical test mainly used for assessing a patient's degree of binocular vision and binocular single vision. Binocular vision involves an image being projected by each eye simultaneously into an area in space and being fused into a single image.
Apart from testing binocular functions, Bagolini striated glasses can measure cyclotropia.The principle of the test is similar to that of double Maddox rod test. The glasses are placed in the trial frames with the striations vertical, giving rise to two horizontal line images when viewing a spotlight.
Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both eyes (binocular vision) when viewing distant objects. Most binoculars are sized to be held using both hands, although sizes vary widely from opera glasses to large pedestal-mounted military ...
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