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

When tested on a standard eye chart, the low-dose group was able to read 21 additional letters one year after treatment.

From Science Daily

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

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

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

From New York Times

It was inspired by those eye charts with “Es” on every line.

From New York Times