Sentence examples for by a visual field from inspiring English sources

However, this procedure can be complicated by a visual field deficit (VFD), typically a contralateral superior quadrantanopia.

Moderate glaucoma was defined by a visual field with a mean defect of −12 – −6 dB, as tested on a Humphrey Field Analyzer (Carl Zeiss Meditec, Inc., Dublin, CA, USA) with a standard white on white, 24-2 SITA program.

In the case of bodily sensations, this phenomenal space is sometimes called one's somatic field by analogy to a visual field that maps onto physical space (Price 1950).[7] The most important strength of sense-datum theories is that they are tailor-made for the peculiarities of pain experiences as well as other intransitive bodily sensations that we have discussed above.

Potential participants were identified, by collaborating ophthalmologists, from a visual field database of a UK Hospital based glaucoma service (Moorfields Eye Hospital (MEH)).

In adult patients who suffer from a visual field defect due to cerebral lesions, visual functions can be restored by systematic visual field training.

3 In general, a glaucomatous change is determined by assessment of glaucomatous excavation of the optic disc and by a visual-field defect.

Even though this structure based reference standard relates more to RNFL morphology than function as measured by the visual field, it has not shown a high degree of correlation with OCT measurements [ 43].

Most patients are subjectively asymptomatic, but visual acuity, preceded by severe visual field defects, is severely impaired in a small number of patients [ 1].

Glaucoma is a heterogeneous group of optic neuropathies characterized by typical visual field loss, often associated with increased intraocular pressure (IOP).

In this paper, we studied if the concentrations in the occipital brain of the metabolites N-acetylaspartate (NAA) (a marker of neuronal integrity), Creatine (Cr) and Choline (Cho) are affected by progressive visual field defects.

Our study also revealed a good outcome looking at visual acuities, but all patients showed scarring of the posterior pole that was mirrored by persistent visual field defects in the central 30° in two thirds of the patients examined.