isopter

isopter

 [i-sop´ter]
a curve representing areas of equal visual acuity in the field of vision.

i·sop·ter

(ī-sop'tĕr),
A line of equal retinal sensitivity in the visual field.
[iso- + G. optēr, observer]

isopter

/isop·ter/ (i-sop´ter) a curve representing areas of equal visual acuity in the field of vision.

i·sop·ter

(ī-sop'tĕr)
A line of equal retinal sensitivity in the visual field.
[iso- + G. optēr, observer]

isopter

In the determination of visual fields, it is the contour line representing the limits of equal retinal sensitivity to a given test target. See visual field; perimeter.
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References in periodicals archive ?
Additional static testing is then used to verify the regions within a given isopter and as catch trials to reveal false positive, negative and fixation losses.
Generally the blind spot position/size and at least three isopters are presented, having been selected to demonstrate the location, depth and extent of any significant variation in the visual field.
Clinical Decision Making I: visual field interpretation
Grid points enclosed by the III4 isopter (10dB) were counted.
Predicting practical fitness to drive in drivers with visual field defects caused by ocular pathology
In autumn, a slight return of beetles and isopters in the menu of the hedgehog but the hymenoptera remain the most preponderant in the feeding of this animal.
Trophic ecology of the desert hedgehog Hemiechinus aethiopicus Ehrenberg, 1833 in the Mergueb natural reserve (M'Sila, Algeria)
Visual field improvement was defined as an improvement of the field defect by at least 10[degrees] horizontally and 15[degrees] vertically using similar isopters on the Goldman visual fields and significant changes in mean and pattern deviations in Humphrey visual fields.
Visual field defects in neurological diseases
John's peripheral visual fields were plotted using Goldmann visual field equipment (see Figure 1 for the left eye and Figure 2 for the fight eye) with 14e and 12e isopters.
My voice heard: the journey of a young man with a cerebral visual impairment
Studies on the effects of age on the central and peripheral isopters of the visual field in normal subjects.
Circumstances and consequences of falls in independent community-dwelling older adults

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