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  1. 28 paź 2016 · The visual field is the portion of space visible to a single stationary eye. The normal visual field extends 90° temporally, 70° inferiorly, and 60° nasally and superiorly [ 1 ]. Visual field testing involves assessment of contrast threshold at multiple points in the field.

  2. 3 lip 2015 · By utilizing a multimodal strategy, this work fills this important knowledge gap by attempting to understand the relationships and dependencies between optic disc morphology, visual acuity, [9 ...

  3. en.wikipedia.org › wiki › Visual_fieldVisual field - Wikipedia

    The visual field is "that portion of space in which objects are visible at the same moment during steady fixation of the gaze in one direction"; [1] in ophthalmology and neurology the emphasis is mostly on the structure inside the visual field and it is then considered “the field of functional capacity obtained and recorded by means of ...

  4. In this chapter you will learn about how the visual system initiates the processing of external stimuli. The chapter will familiarize you with measures of visual sensation by discussing the basis of form perception, visual acuity, visual field representation, binocular fusion, and depth perception.

  5. The main output projection from the lateral geniculate nucleus (LGN) conveys visual information to primary visual cortex. This is not the only LGN output but it is considered to be the key pathway for visual object recognition. Primary visual cortex is also known as area V1 or striate cortex1.

  6. Introduction. Imagine you are assessing a patient with visual difficulties or optic disc swelling. After a bedside visual field examination with waggling fingers and even a red hatpin, you decide that there is an abnormality.

  7. Top 5 most common visual field patterns. 1) Nonspecific / low Reliability / inattention / patient hungry.

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