astigmatism

refractive error characterized by the optics of the eye to focus a point object into a sharp focused image on the retina, has symptom blurred vision.
MedicalCondition class_of_disease Q177895
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astigmatism

Summary

astigmatism is a class of disease[1]. astigmatism ranks in the top 7% of class_of_disease entities by monthly Wikipedia readership (3,422 views/month).[2]

Key Facts

  • astigmatism's instance of is recorded as class of disease[3].
  • astigmatism's instance of is recorded as symptom or sign[4].
  • astigmatism is a type of refractive error[5].
  • astigmatism is a type of disease[6].
  • astigmatism is a type of astigmatism[7].
  • astigmatism's Commons category is recorded as Astigmatism (eye)[8].
  • astigmatism's ICPC 2 ID is recorded as F91[9].
  • astigmatism's possible treatment is recorded as cylindrical lens[10].
  • astigmatism's described by source is recorded as Armenian Soviet Encyclopedia, vol. 1[11].
  • astigmatism's ICD-9-CM is recorded as 367.20[12].
  • astigmatism's ICD-9-CM is recorded as 367.2[13].
  • astigmatism's different from is recorded as astigmatism[14].
  • astigmatism's health specialty is recorded as ophthalmology[15].
  • astigmatism's genetic association is recorded as VAX2[16].
  • astigmatism's genetic association is recorded as DNAH5[17].
  • astigmatism's genetic association is recorded as MAML2[18].
  • astigmatism's genetic association is recorded as PDGFRA[19].
  • astigmatism's genetic association is recorded as SUCLG2[20].
  • astigmatism's genetic association is recorded as KCNE3[21].
  • astigmatism's exact match is recorded as http://purl.obolibrary.org/obo/DOID_11782[22].
  • astigmatism's exact match is recorded as http://identifiers.org/doid/DOID:11782[23].
  • astigmatism's exact match is recorded as http://purl.obolibrary.org/obo/HP_0000483[24].
  • astigmatism's on focus list of Wikimedia project is recorded as WikiProject Medicine[25].

Why It Matters

astigmatism ranks in the top 7% of class_of_disease entities by monthly Wikipedia readership (3,422 views/month).[2] astigmatism has Wikipedia articles in 28 language editions, a strong signal of global cultural recognition.[26] astigmatism is known by 20 alternative names across languages and contexts.[27]

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] . Disease Ontology. Retrieved . wikidata.org.
  4. [6] . wikidata.org.
  5. [7] . wikidata.org.
  6. [8] . wikidata.org.
  7. [9] . wikidata.org.
  8. [10] . wikidata.org.
  9. [11] . wikidata.org.
  10. [12] . Disease Ontology. Retrieved . wikidata.org.
  11. [13] . Disease Ontology. Retrieved . wikidata.org.
  12. [14] . wikidata.org.
  13. [15] . wikidata.org.
  14. [16] . Phenocarta. Retrieved . gemma.msl.ubc.ca. Provenance: wikidata.org.
  15. [17] . Phenocarta. Retrieved . gemma.msl.ubc.ca. Provenance: wikidata.org.
  16. [18] . Phenocarta. Retrieved . gemma.msl.ubc.ca. Provenance: wikidata.org.
  17. [19] . Phenocarta. Retrieved . gemma.msl.ubc.ca. Provenance: wikidata.org.
  18. [20] . Phenocarta. Retrieved . gemma.msl.ubc.ca. Provenance: wikidata.org.
  19. [21] . Phenocarta. Retrieved . gemma.msl.ubc.ca. Provenance: wikidata.org.
  20. [22] . Disease Ontology. Retrieved . wikidata.org.
  21. [23] . Identifiers.org. registry.identifiers.org. Provenance: wikidata.org.
  22. [24] . Human Phenotype Ontology release 2018-03-08. Retrieved . wikidata.org.
  23. [25] . wikidata.org.

Class ancestry

  1. [1] . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] . Wikimedia Foundation. dumps.wikimedia.org.
  2. [26] . Wikidata sitelinks. wikidata.org.
  3. [27] . Wikidata aliases. wikidata.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). astigmatism. Retrieved May 3, 2026, from https://4ort.xyz/entity/astigmatism
MLA “astigmatism.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/astigmatism.
BibTeX @misc{4ortxyz_astigmatism_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{astigmatism}}, year = {2026}, url = {https://4ort.xyz/entity/astigmatism}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): astigmatism — https://4ort.xyz/entity/astigmatism (retrieved 2026-05-03)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 7d ago · Twofivesixbot bot · 2026-05-24 view diff on Wikidata ↗
    Health specialty ophthalmology
    Instance of class of disease, symptom or sign
    On focus list of wikimedia project WikiProject Medicine
    Genetic association VAX2, DNAH5, MAML2 +3
    + 7 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-update-qualifiers:1||1|3 */ [[Property:P8189]]: 987007294949605171, mv to monolingual text names on J9U statements"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.