Intraocular pressure (using Goldmann applanation tonometry), best corrected visual acuity (BCVA, using Snellen charts), slit lamp biomicroscopy of the anterior and posterior segment as well as ...

Luce Allen, a senior transgender girl, defeated a freshman biological female by less than two-tenths of a second in a 200-meter race at a Pennsylvania high school track meet over the weekend.

The term "20/20 vision" refers to how sharp your eyes are when you look at a standard eye chart (Snellen chart) from a distance of 20 feet (or 6 meters)—depending on where you live. In the United ...

These charts are all re­cogni­zed as logMAR charts and differ in the use of optotypes, number of optotypes in a row, or number of lines in a chart. The use of logMAR charts with standard methods is ...

They are asking people to call 311 to report any vandalized meters they come across so that they are aware of locations that need to be repaired. In the meantime, other drivers are trying to keep ...

Aim To examine the relationship between the two UK vision standards for driving: the ability to read a number-plate at 20 m and achieving 6/12 (+0.30 logMAR). Methods 120 participants were assessed ...

Then he or she will perform a “glare test” (glare accentuates contrast sensitivity) by simply shining a bright light toward the eye while you are reading the Snellen chart. Even if you can read the ...

Visual acuity is a measurement of the eyes’ ability to resolve spatial detail. Within clinical settings, it has traditionally been assessed using test charts incorporating optotypes.1 In the UK, data ...

In 3.6 M cataract surgeries, the mean preoperative uncorrected visual acuity improved from 1.32 logMAR units (Snellen fraction ≈ 6/120) in 2012 to 1.15 (Snellen fraction ≈ 6/85) in 2023. The trend was ...

Pelli-Robson chart. This chart has letters of equal size but with decreasing brightness. The chart will be placed one meter away for you to read. It is quick and similar to the usual vision charts.

Furthermore, if the patients are judging their distance vision by targets that are farther away than the Snellen charts in our clinic, which are at 20 feet or 6 m, our patients who have far ...