eye chart

American  

noun

1. Ophthalmology. a chart for testing vision, typically containing letters, symbols, or pictures in rows of decreasing size that are to be read or identified at a fixed distance.

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Etymology

Origin of eye chart

First recorded in 1940–45

Example Sentences

About one-third of students screened are unable to read the eye chart, but very few of those kids have adequate glasses.

From Los Angeles Times • Apr. 4, 2026

On average, patients gained 25 letters on a standard eye chart, equal to about five lines, when using the implant.

From Science Daily • Mar. 2, 2026

Her life is her life and it’s the E on the flipping eye chart in terms of what works for her.

From Washington Post • Nov. 20, 2022

In effect, she went from not being able to read the E at the top of an eye chart to seeing it, Pennesi says.

From Science Magazine • Sep. 29, 2021

I aced the tests—“Eagle eyes and elephant ears,” the nurse said—but Lori struggled trying to read the eye chart.

From "The Glass Castle" by Jeannette Walls