Utility, Visual Acuity and VAS values
Evaluation of a paper-based visual acuity questionnaire
... the utility of this questionnaire is limited in epidemio- logical ...a visual function questionnaire using subjects aged 40–64 years formulated a more restricted question as “Do you have difficulty seeing ...
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Kinetic visual acuity is correlated with functional visual acuity at higher speeds
... Bilateral monocular and binocular distance VA was measured with the best corrective lenses (BCVA) and without corrective lenses (uncorrected VA). All partici- pants underwent measurement of binocular- corrected and ...
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Utility values for glaucoma in Brazil and their correlation with visual function
... Mean utility values were not correlated with age in any of the studied methods (TTO, SG1, or SG2), so our results were not influenced by ...higher utility values than ...mean utility ...
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Visual acuity in larval zebrafish: behavior and histology
... quantify visual acuity, eye velocities of wild-type zebrafish larvae were measured as a function of spatial frequency of the moving ...Subsequently, visual acuity was calculated as the optical ...
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Visual acuity in larval zebrafish: behavior and histology
... A previous study reported that the optokinetic response of zebrafish larvae differs depending on the direction of the stimulus [35]. The response of tem- poral-to-nasal presented stimuli is higher at low spatial ...
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Effects of Binocular Acuity in Visual Impairment Assessment
... monocular acuity in the better eye superior or equal to ...corrected acuity or uncorrected acuity were unable to read accounted for ...corrected acuity , but they could read by uncorrected ...
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The effects of macular ischemia on visual acuity in diabetic retinopathy
... logMAR visual acuity and each of the following: age, sex, retinopathy grade, diabetic macular edema, FAZ measurements, and noncontiguous areas of ...P values < ...
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A survey of display device properties and visual acuity for visualization
... and Visual Acuity for Visual Features Most visualization techniques assume that sufficient display resolution is available and our visual acuity is adequate to complete the required ...
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Visual acuity evaluation in children with hydrocephalus: An electrophysiological study with sweep visual evoked potential
... in visual acuity of children who were derived more than 15 days compared with the group of children drifted up to 15 ...the visual acuity measured. The visual acuity of children ...
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The effect of transcorneal electrical stimulation in visual acuity: Retinitis pigmentosa
... tical comparison of VA average measurements between SE against NSE for all patients in ETDRS chart Snellen ratio. As we can see, the average statistical tendency is growth for VA in Snellen ratio for SE and it is repre- ...
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Effects of molting on the visual acuity of the blue crab, Callinectes sapidus
... Analysis of optomotor data The individuals used in the optomotor assays were wild-caught crabs. Although we strived to collect specimens that were at approximately the same molting phase, there was unavoidable variation ...
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Visual Acuity of Children
... Percentage of children,”6-11 years, reaching or reaching and exceeding specified acuity levels for uncorrectedmonocular near acuity in the better eye, by aex and age: United Statea, l963[r] ...
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Visual Acuity and Eye Movements
... ments, i.e. , the eye movement measuring system, and the retinal image stabilization apparatus. Chapter III deals with the behavior of eye movements during simple [r] ...
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VISUAL ACUITY MEASUREMENT STANDARD
... measuring visual acuity, it is often desirable to measure the worst of the two eyes first (if known), then the eye with the better acuity and, if indicated, then to evaluate binocular visual ...
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TESTING OF VISUAL ACUITY IN PRESCHOOL CHILDREN
... That no such objective standard exists for preschool children reflects the difficulty of establishing a norm for this group. It is doubt- ful, in view of the many variables to be dis- cu[r] ...
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The Historical Evolution of Visual Acuity Measurement
... that visual acuity changes with age, Donders asked one of his doctoral students, de Haan, to do a population study, not as an afterthought, but published concurrently with Snellen’s ...
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The Importance of Measuring Dynamic Visual Acuity
... dynamic acuity is rarely checked in medical examinations, even those preceding the issue of driving ...with visual aids is ...static visual acuity in order to ob- serve how they vary among ...
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Visual acuity and visual skills in Malaysian children with learning disabilities
... and visual skills assessment included near point of con- vergence, amplitude of accommodation, accommodative facility, convergence break and recovery, divergence break and recovery, and developmental eye movement ...
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Photovoltaic restoration of sight with high visual acuity
... However, it remains to be seen whether retinal rewiring at more advanced stages of degeneration in human subjects will affect the spatial confinement of the stimulation and its thresholds. Spatial frequency cutoff ...
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The effect of Fresnel prisms on dynamic visual acuity.
... To determine whether this was of a statistically significant difference, a two-factor repeated measures ANOVA was performed. The factors were; prism type (3M and Trusetal) and prism strength (5 , 10 , 20 , 30 ). ...
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