Dec 22, 2024 · A visual field defect is a loss of part of the usual field of vision, so it does not include severe visual impairment of either one eye or both. The lesion may be anywhere along the optic …

Feb 15, 2025 · Visual field loss, in addition to other ophthalmic clinical information, plays a critical role in diagnosing and managing a range of diseases in the visual pathway.

Before we dive into VF defects associated with optic nerve dz... It can be challenging to distinguish between subtle retinal dz (specifically, a maculopathy) and optic nerve dz.

Visual field defect, a blind spot (scotoma) or blind area within the normal field of one or both eyes. In most cases the blind spots or areas are persistent, but in some instances they may be temporary …

Aug 5, 2024 · The visual field is the total area in which objects can be seen in peripheral (side) vision while the eyes are focused on a central point. Visual field defects can significantly affect a person’s …

The nerves that carry visual signals follow a complex pathway from the back of the eye to the brain’s visual processing center, called the occipital lobe. When any part of this pathway is damaged …

Nov 29, 2020 · Understanding the anatomy of the optic nerve and visual pathways is key to appreciating how various focal lesions of the brain cause characteristic visual field defects.

Aug 17, 2025 · A visual field defect is an area of reduced or absent vision within an individual’s normal range of sight. The visual field encompasses everything one can see without moving their eyes, …

Symptoms of a visual field deficit might include bumping into objects on the affected side. Importantly, car accidents may occur because of the decreased peripheral vision. There can be trouble reading, …

* Migraine can cause various transient visual field defects, although it most commonly causes a transient homonymous hemianopia. Adapted from Gervasio KA, Peck TJ, Fathy CA, et al.: The Wills Eye …