What is another word for eye chart?
Pronunciation: [ˈa͡ɪ t͡ʃˈɑːt] (IPA) 
An eye chart is a visual tool for measuring visual acuity, also known as the ability to see in detail. It is commonly used by optometrists, ophthalmologists, and eye doctors to test their patient's eyes. However, there are a multitude of synonyms that you can use to refer to an eye chart. Some of these synonyms include visual acuity chart, Snellen chart, eye test chart, eye exam chart, vision chart, or eye screening chart. All of these terms basically refer to the same thing - a chart with letters, numbers, or shapes that gradually decreases in size, used to test a person's ability to see at various distances.
