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Low Contrast Visual Acuity

Low contrast visual acuity testing is associated with cognitive performance in multiple sclerosis: a cross-sectional pilot study

Low contrast visual acuity testing is associated with cognitive performance in multiple sclerosis: a cross-sectional pilot study

... ence visual function test results? A recent study investi- gating auditory-based cognitive tests ...with low contrast visual acuity showed that the latter correlates strongly with ...

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Relations of low contrast visual acuity, quality of life and multiple sclerosis functional composite: a cross-sectional analysis

Relations of low contrast visual acuity, quality of life and multiple sclerosis functional composite: a cross-sectional analysis

... of low contrast visual acuity into MSFC A key question of our still ongoing longitudinal study is whether the overall performance of MSFC would be im- proved by implementation of ...

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Visual acuity and contrast sensitivity of adult zebrafish

Visual acuity and contrast sensitivity of adult zebrafish

... maximum contrast (100%) at varying angular velocities, namely 10, 15, 20, 25 and 30 degrees/second ...a low spatial frequency of ...the visual acuity experiment of adult zebrafish and by two ...

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Evaluation of contrast visual acuity in patients with retinitis pigmentosa

Evaluation of contrast visual acuity in patients with retinitis pigmentosa

... used contrast sensitivity measurements to evaluate patients with retinitis pigmentosa, and the results have shown that the contrast sensitivity function can be depressed in patients with retinitis ...

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Comparing Visual Acuity, Low Contrast Acuity and Contrast Sensitivity After Trifocal Toric and Extended Depth of Focus Toric Intraocular Lens Implantation

<p>Comparing Visual Acuity, Low Contrast Acuity and Contrast Sensitivity After Trifocal Toric and Extended Depth of Focus Toric Intraocular Lens Implantation</p>

... uncorrected visual acuities of 20/40 or better at 30cm, 40cm, 50cm, 60cm, 70cm, and distance 6 months ...postoperative visual acuities at near, intermediate, and far with the PanOptix Trifocal IOL are ...

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Visual acuity and contrast sensitivity screening with a new ipad application

Visual acuity and contrast sensitivity screening with a new ipad application

... Table 2 shows that even though no statistical significant differences were found in the Friedman analysis of variance of the three days, a low reproducibility was obtained with both tests, but this was slightly ...

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Effect of retinal laser photocoagulation on contrast sensitivity and visual acuity in patients of diabetic retinopathy

Effect of retinal laser photocoagulation on contrast sensitivity and visual acuity in patients of diabetic retinopathy

... Snellen’s visual acuity remained stable at the pre-laser level, these results indicate the need for more sensitive measures of visual resolution to monitor foveal integrity in patients undergoing ...

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VISUAL ACUITY MEASUREMENT STANDARD

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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Longitudinal analysis of contrast acuity in Friedreich ataxia

Longitudinal analysis of contrast acuity in Friedreich ataxia

... in low-contrast acuity over time that is greater in subjects with higher GAA repeat ...High-contrast acuity is also affected, but this becomes apparent only at longer follow-up ...in ...

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Influence of optic quality on contrast sensitivity and visual acuity in eyes with a rigid or flexible phakic intraocular lens

Influence of optic quality on contrast sensitivity and visual acuity in eyes with a rigid or flexible phakic intraocular lens

... decrease visual performance for certain ...good contrast sensitivity; thus, the absence of significant halos or aberration can affect the retinal ...to low to mild ametropia because the ablation ...

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Efficacy of perceptual vision therapy in enhancing visual acuity and contrast sensitivity function in adult hypermetropic anisometropic amblyopia

Efficacy of perceptual vision therapy in enhancing visual acuity and contrast sensitivity function in adult hypermetropic anisometropic amblyopia

... Pretreatment visual acuity in both study groups was ...in acuity and CSF were sustained after 12 ...in low myopic patients 20 and improving unaided vision in presbyopic patients, 21 as well as ...

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A comparison of contrast sensitivity in early mild and early intermediate age-related macular degeneration after adjusting for age and visual acuity

A comparison of contrast sensitivity in early mild and early intermediate age-related macular degeneration after adjusting for age and visual acuity

... analyzing contrast sensitivity in AMD patients are ...functional acuity contrast sensitivity is dimin- ished (lower) in high spatial frequencies in AMD patients (16, 17), while the others having ...

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Kinetic visual acuity is correlated with functional visual acuity at higher speeds

Kinetic visual acuity is correlated with functional visual acuity at higher speeds

... kinetic visual acuity (KVA) which is the ability to identify approaching objects and the functional visual acuity (FVA) which is continuous VA during 1 min under binocular and monocular ...

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Visual Acuity of Children

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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An Assessment of the Visual Acuity and Contrast Sensitivity of Commercial Vehicle Drivers in Rivers State, Nigeria

An Assessment of the Visual Acuity and Contrast Sensitivity of Commercial Vehicle Drivers in Rivers State, Nigeria

... of visual and contrast sensitivity of commercial vehicle ...The visual acuity test using the snellen chart was done at 6 meters and the contrast sensitivity testing was done at 1m using ...

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Visual Acuity and Eye Movements

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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TESTING OF VISUAL ACUITY IN PRESCHOOL CHILDREN

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

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

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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Assessment of low visual acuity and its influencing factors among school age children

Assessment of low visual acuity and its influencing factors among school age children

... of visual problems in children by opthalmologists is too costly which suggests the administration of visual acuity tests by non-physicians , as long as trained and ...which visual problem are ...

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