9D53

ICD-11 MMS 2026-01

Entoptic phenomena

Description

Entoptic phenomena are visual phenomena caused by changes within the eye.

Index terms

  • Entoptic phenomena
  • Photopsia
  • Halos
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  • Metamorphopsia, distortions
  • Visual distortions of shape and size
  • Monocular diplopia
  • Polyopia
  • Strabismic diplopia
  • Dyschromatopsia

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 19 – Certain conditions originating in the perinatal period
  • 22 – Injury, poisoning or certain other consequences of external causes
  • 8A21.0 – Posterior cortical atrophy

Foundation children elsewhere

  • MC1A – Visual floaters

Sibling codes

  • 9D50 – Visual discomfort
  • 9D51 – Transient visual loss
  • 9D52 – Hemifield losses
  • 9D54 – Visual illusions
  • 9D55 – Nonorganic visual loss
  • 9D56 – Visual release hallucinations
  • 9D5Y – Other specified subjective visual experiences
  • 9D5Z – Subjective visual experiences, unspecified

Foundation entity

Entoptic phenomena – http://id.who.int/icd/entity/57465746

Allowed postcoordination axes

Part of: 09: Diseases of the visual system