Sentence examples for letter chart from inspiring English sources

The need for precision in visual acuity assessment for low vision research led to the design of the Bailey Lovie letter chart.

Both experiments yielded a 30percentt increase in visual acuity, or an average improvement of 1.5 lines on the standard letter chart used by optometrists.

In comparison, it can take 120 hours of occlusion therapy to see a one-line improvement on the letter chart in children with amblyopia, the authors said.

"I can babble with the best of them," she spelled out one day last semester on her letter chart when a reporter sat down next to her to talk.

Now, this could well be a plot created by the notorious Eye Council designed to get as many people to read that little letter chart as possible, but it makes sense on some level.

Distance binocular vision was measured at 5 m with a standard Monoyer letter chart [ 12].

We discuss the test protocols that should be applied to visual acuity testing and the use of other tests for assessing profound low vision when the limits of visual acuity measurement by letter charts are reached.

Visual function testing (best corrected visual acuity and sensitivity) was performed in MS patients and controls using low-contrast Sloan letter charts (retro-illuminated version, Precision Vision, IL) at 10% and at 5% low-contrast levels and Pelli-Robson contrast sensitivity chart and at full contrast (100% ETDRS 2000 chart, testing high-contrast visual acuity).

Second, when sources of glare are minimised, the iPad device can provide measures of distance visual acuity that are indistinguishable from measures made using gold standard letter charts.

Children showed higher scores on Repeat letter charts than on Snellen charts and the authors concluded that gaze-selection or gaze-control could be seen as a contributing factor of lower scores on the Snellen chart.

Contrast sensitivity refers to the ability of a subject to detect differences between grey objects that vary in color between white and black (measured using Pelli-Robson letter charts [ 59]).