leukoma

Thân thiện

A doctor examines a patient's leukoma with an ophthalmoscope.

Definition

Noun: - An opaque white scar or spot on the cornea of the eye: A leukoma is a dense, white, opaque area on the cornea, the clear front part of the eye, resulting from injury or disease. It is a type of corneal opacity that can impair vision if it covers the pupil.

Examples of Usage

• Noun:
  • The old injury left a noticeable leukoma on his cornea.
  • A central leukoma can significantly obstruct a person's vision.
  • The doctor identified the white spot as a corneal leukoma.

Advanced Usage

• "Albinotic leukoma": A specific type of leukoma that appears whiter and more pronounced against a background of reduced pigmentation in the eye.
• "Adherent leukoma": A leukoma where the iris is attached to the scarred cornea, often resulting from a perforating injury.

Variants and Related Words

• Leucoma: An alternative spelling of "leukoma."
• Corneal opacity (n): The general medical term for any loss of transparency in the cornea, which includes leukoma as a specific type.
• Corneal scar (n): A common, more general term for the result of corneal injury, often synonymous with leukoma in non-technical contexts.

Synonyms

• Corneal scar
• Corneal opacity (specific type)
• Albugo (an older or less common term)

Notes

• Medical Context: This word is almost exclusively used in medical and ophthalmological contexts. It is not a common term in everyday conversation.
• Etymology: The word originates from Greek (white).

Học thuật

Noun

1. eye disease consisting of an opaque white spot on the cornea

Từ đồng nghĩa

• leucoma