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Lea test

eye chart used to measure visual acuity
Thing eye_chart Q4570473
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Lea test

Summary

Lea test is an eye chart[1]. It draws 24 Wikipedia views per month (eye_chart category, ranking #6 of 9).[2]

Key Facts

  • Lea test's image is recorded as Lea Symbols Test optotypes on a blanket to be used to test the visual acuity of a young child.jpg[3].
  • Lea test's instance of is recorded as eye chart[4].
  • Lea test's time of discovery or invention is recorded as +1976-00-00T00:00:00Z[5].
  • Lea test's Freebase ID is recorded as /m/07v76g[6].
  • Lea test's Microsoft Academic ID is recorded as 2777857473[7].

Why It Matters

Lea test draws 24 Wikipedia views per month (eye_chart category, ranking #6 of 9).[2]

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Lea test. Retrieved May 3, 2026, from https://4ort.xyz/entity/lea-test
MLA “Lea test.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/lea-test.
BibTeX @misc{4ortxyz_lea-test_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Lea test}}, year = {2026}, url = {https://4ort.xyz/entity/lea-test}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Lea test — https://4ort.xyz/entity/lea-test (retrieved 2026-05-03)

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