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 …

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.

Aug 17, 2025 · The visual field encompasses everything one can see without moving their eyes, including areas above, below, and to either side of the central point of focus. These defects can …

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 …

Often a patient will be aware of an abnormal visual field, especially if the change is sudden. In some cases, however, the change is gradual, and it can be difficult to notice the loss of vision. Symptoms …

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 …

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 defects are larger or more noticeable problems that can shrink your overall view, like tunnel vision. These defects can affect one or both eyes and often point to conditions like glaucoma, which …

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.

* 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 …