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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

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ERIC Number: EJ237754
Record Type: CIJE
Publication Date: 1980-Oct
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: ISSN-0022-4391
Dr. Snellen's 20/20: The Development and Use of the Eye Chart.
Brajkovich, Helen L.
Journal of School Health, v50 n8 p472-474 Oct 1980
The most commonly used chart for testing eye acuity is the Snellen Chart, developed more than 100 years ago. A description is given of the way this chart works, its uses, and its limitations. (JD)
Publication Type: Journal Articles; Reports - Descriptive
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Snellen (Herman)