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

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

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

It was bad: She could just barely make out the E at the top of the eye chart.

From New York Times • Aug. 11, 2021

“I was seeing the bottom of the eye chart; it was like being 19 again.”

From Seattle Times • Jul. 12, 2020

When I was in the third grade, Doc Lassiter came up to the school with an eye chart, and all of the children in my class were put in a line to read it.

From "October Sky" by Homer Hickam