Sentences with phrase «visual acuity»

The improvement of visual acuity in sham - treated eyes was unexpected based on the natural history of LHON, for which partial spontaneous recovery is reported in only 8 to 22 % of patients with the G11778 ND4 mutation (Lam et al. 2014, Riordan - Eva et al. 1995).

Both hNPCctx — GDNF and hNPCctx transplant recipients were included in the cell - injected group, which consisted of a select population of eyes that displayed superior performance on spatial visual acuity testing.

Meta - analysis of three RCTs showed significant benefit for sweep VEP acuity at 12 months (log of the minimum angle of resolution (logMAR)-RRB-(mean difference (MD)-0.15, 95 % confidence interval (CI)-0.17 to -0.13; I2 = 0; three trials; N = 244), but meta - analysis of three other RCTs showed no benefit for visual acuity measured with Teller cards at 12 months (cycles / degree)(MD -0.01, 95 % CI -0.12 to 0.11; I2 = 0; three trials; N = 256).

Most of the included RCTs reported no beneficial effects or harms of LCPUFA supplementation on neurodevelopmental outcomes of formula - fed full - term infants and no consistent beneficial effects on visual acuity.

A simple method of testing «twilight vision» gives reliable results in identifying people who have decreased visual acuity under low light conditions, according to a study in the May issue of Optometry and Vision Science, official journal of the American Academy of Optometry.

Prior to routine fortification of formulas with DHA and AA, infants who received breast milk demonstrated better visual acuity at age 4 months than formula - fed infants, as well as slightly enhanced cognitive development.

According to research, breastfed children have better visual development as well as visual acuity.

There was an improvement in visual acuity by about 1.8 lines after 15 weeks in individuals with patched eyes and 2.3 lines in individuals who received acupuncture.

In 2007, researchers reported in the journal Early Human Development that children who had received no DHA in formula or breast milk during the first 17 weeks of life had poorer visual acuity at age 4, and did worse on language tests showing verbal IQ, than those who fed breast milk.

Rapid, non-invasive measurements of spatial visual acuity thresholds were obtained using the OptoMotry head tracking apparatus.

Zinc supplementation significantly reduced visual acuity loss in one of the studies [76] but had no effect in the other [77].

The 206 patients in the study shared a number of characteristics, including stable, untreatable, age - related macular degeneration in both eyes with visual acuity no better than 20/80 but no worse than 20/800, along with good peripheral vision.

The Associate is required to have close visual acuity including color, depth perception, and field of vision to perform an activity, such as assessing patients, preparing and analyzing data and figures; transcribing; viewing a computer terminal; or extensive reading.

Studies show that infants who have received mothers milk have higher scores measuring visual acuity and cognitive development, including IQ, said Paula Meier, director for clinical research and lactation at Rush - Presbyterian - St.

The standard definition of normal visual acuity (20/20 or 6/6 vision) is the ability to resolve a spatial pattern separated by a visual angle of one minute of arc.

After an average follow - up period of 6.3 years, supplementation with antioxidants plus zinc (but not antioxidants alone) significantly reduced the risk of developing advanced AMD and reduced visual acuity loss.

However, the tests used so far don't say much about visual acuity.

To have an unrestricted driver's license, the Department of Motor Vehicles requires visual acuity of at least 20/40 and a horizontal field of vision with both eyes open of at least 120 degrees.

Diabetes is often associated with ophthalmology complications, so these antioxidants help increase visual acuity and improve night vision.

A number of recent studies have shown that playing conventional video games enhances visual acuity, as well as hand - eye coordination.

Blood pressure, he noted, varies with time of day, as do visual acuity, smell and taste.

«When you move away from the fovea, visual acuity falls away really quickly, and colour vision disappears,» says Rensink.

Some owners may not notice this difference unless their dog performed work or tricks requiring high visual acuity prior to cataract formation.

Those whose visual acuity was objectively assessed to be poorer also reported more functional limitations and symptoms of depression.

The simple slopes analysis for depressive symptoms, however, yielded nonsignificant slopes predicting depressive symptoms from visual acuity for both high and low scores on supportive spouse behaviors (B = − 0.66, t = − 1.40, p = n.s. and B = 0.71, t = 1.52, p = n.s., respectively).

The Head Shake Sensory Organization Test (HS - SOT): Normative Data and Correlation with Dynamic Visual Acuity Testing Andrea E. Cripps and Scott C. Livingston

Further, computational explorations of visual acuity show that these expansions, though not particularly helpful for improving underwater vision, would have conferred vast visual improvements in air.

Pre-training screening showed that while most children had central visual acuity worse than the 20/200 legal blindness limit, they also underutilized their peripheral vision.

Respondents who were unable to read the largest line on the Sloan chart at 3 m represented visual acuity worse than 20/200 (N = 4); these individuals were coded to have a score of 20/200 or poor vision.

«Typically, eye chart visual acuity is measured at light levels that approximate daylight (photopic) vision conditions,» explains Anthony Adams, OD, PhD, Editor - in - Chief of Optometry and Vision Science.

The authors used data from the Salisbury Eye Evaluation study to examine the extent to which visual acuity (VA) loss increased mortality risk because of its effect on functional status over time.

We used the head - tracking response to moving vertical lines to examine visual acuity in the RCS rat 13 weeks following surgery.

For example, birds of prey have much greater visual acuity than humans and some, like diurnal birds of prey, can see ultraviolet light.

Industrial Alliance pointed to a clause that says the insured person «must have a corrected visual acuity of less than 20/200» — and that is where the disagreement lies.

+ Good visual acuity through normal or corrected vision...

While the first Retina Display on the iPhone 4 has 326 Pixels Per Inch PPI, all Retina Displays don't need 326 PPI because the eye's resolution is not based on linear Pixels Per Inch, but rather on angular resolution, so visual acuity depends on the viewing distance.

Nine studies assessed visual acuity, six of which used visual evoked potentials (VEP), two Teller cards and one both.

Using filters to test at a light level 100 times lower than for daylight visual acuity testing, vision care professionals can obtain «reliable and repeatable» measurements of twilight vision, report Jason S. Ng, OD, PhD, and colleagues of Southern California College of Optometry at Marshall B. Ketchum University in Fullerton, Calif..

An adult visual acuity test involves that familiar eye chart with rows of progressively smaller letters, and isn't feasible for a child who hasn't learned the alphabet.

(Visual acuity requirements may vary by state).

At approximately P100, eyes receiving subretinal hNPCctx - GDNF (n = 11) or hNPCctx (n = 21) demonstrated superior spatial visual acuity compared to sham - injected eyes (n = 4; *** p < 0.001), with best - grafted animals yielding near - normal responses (0.6 c / d).

Second, the data on age suggests that some adjustments may be required on the part of public legal education groups, who may want to retool their publications to accommodate the declining visual acuity of their prime markets in their web and print offerings.

Research from the University of Rochester indicates that certain video gamers have more visual acuity than those who don't game.