Sentences with phrase «contrast sensitivity»

Those playing the shoot -»em - up games saw a boost in their «contrast sensitivity function,» or the ability to discern subtle changes in the brightness of an image.

Common complaints include glare, poor night vision and decreased contrast sensitivity.

This is called contrast sensitivity, and observed particularly in first person shooter games players.

Though many eye diseases reduce contrast sensitivity, the backlit screen technology used by tablets such as the iPad — with their ability to adjust contrast — overcome being unable to discern shades of gray in people with vision problems.

The researchers also found that while participants may not have a measurable decrease in their visual acuity, their reported reduced visual function may possibly be the result of contrast sensitivity associated with early - stage AMD.

After 40 training sessions, volunteers averaging 51 years of age showed impressive gains in contrast sensitivity, measured by similar tests with Gabor patches.

Because contrast sensitivity is a basic visual process involved in color perception, Thorstenson and co-authors Adam Pazda and Andrew Elliot wondered whether there might be a specific link between sadness and our ability to perceive color.

We found that, even a second before executing a voluntary action, visual contrast sensitivity oscillates in the delta \ theta range, phase - locked with the forthcoming action.

This includes an increased risk of subnormal visual acuity, visual perceptual problems, strabismus, refractive errors (particularly high myopia) and reduced contrast sensitivity and visual fields.

«It's the inverse of blindness — the technical term is a loss of contrast sensitivity,» says Todd Eisenberg, the engineer who invented the device.

In a 2009 study, expert action gamers who played first - person shooting games like «Call of Duty» saw a boost in their «contrast sensitivity function,» or the ability to discern subtle changes in the brightness of an image.

At lower levels, in the retina and in the geniculate, cells in these two subdivisions differ in their color selectivity, contrast sensitivity, temporal properties, and spatial resolution.

Harris et al. [2] also provided evidence of the presence of retinal hypoxia in the early stages of diabetes by showing that contrast sensitivity was improved when patients with early diabetic retinopathy were made hyperoxic.

Complementary vision metrics will include automated visual fields, optical coherence tomography, and color and contrast sensitivity, in addition to quality of life scales, bio ‑ dissemination and the time course of immune response.

The secondary efficacy endpoints include: BCVA reported in LogMAR at 2 - Years post-treatment in the second affected / not yet affected eye compared to both placebo and the first affected eye receiving GS010, OCT, color and contrast sensitivity and quality of life scales.

And contrast sensitivity is «the ability to distinguish an object as the lighting is altered in intensity,» said Fromer, who wasn't involved in the new study.

, The effect of bilberry nutritional supplementation on night visual acuity and contrast sensitivity, 2000

«To the best of our knowledge, this is the first demonstration that contrast sensitivity can be improved by simple training,» said study leader Daphne Bavelier.

The reason for this effect with older readers was likely due to higher susceptibility to text discriminability, and reduced contrast sensitivity.