visual field


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Related to visual field: perimetry, visual acuity, Visual pathway

visual field

The angular extent of space which can be perceived when the head and eyes are kept fixed.
References in periodicals archive ?
They argued that the low predictive power of visual field measures could be attributable to the difference in complexity between a visual field assessment by means of perimetry and the use of the visual field while driving.
And it warns: "Available data suggests that visual field defects are irreversible even after discontinuation of Vigabatrin."
Given the visual field shown for the left eye, what visual field defect would be found in the right eye'
To minimize the learning effect, the second reliable visual field result obtained was used in the study.[22] Spectacle corrections were used to decrease the possible effect of a blur on visual field sensitivity.
Caption: Hemianopia typically manifests as the loss Of one half of your visual field.
"In the case of SAD we found this left visual field advantage was actually increased.
Thus visual field tests are done at intervals to monitor the progression of damage.
The inclusion criteria for the study were as follows: patients older than 18 years, having a refractive error less than [+ or -] 5 diopter, capable of undergoing visual field testing and having a signal amplitude in SD-OCT measurement of higher than 6/10.
She noted that in the past, the Department of Ophthalmology used to refer patients who needed laser procedures, as well as visual field tests, to other hospitals because they did not have the necessary equipment.
recently reported OCT-detected visual field defects at 1 week after surgery, even though they found no abnormal findings in the fundus, RNFL thickness, or optic disc morphology, with the visual field returning to normal within 3 months after the surgeries in all cases [7].
Pre-treatment best-corrected visual acuity was 20/800 OD and 20/4000 with severe visual field loss.