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.

---

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

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 • Nov. 22, 2025

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

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