leucoma

/lju:'koumə/

Thân thiện

A patient's leucoma is visible during an eye examination.

Definition

1. Noun:
   • An eye disease consisting of an opaque white spot on the cornea: A leucoma is a dense, white, opaque scar that forms on the cornea, the clear front part of the eye, often as a result of injury or infection.

Usage Examples

• Noun:
  • The corneal injury resulted in a leucoma that impaired his vision.
  • Doctors can sometimes perform surgery to reduce the visual impact of a leucoma.

Advanced Usage

• Medical Context: The term is used specifically in ophthalmology to describe a type of corneal opacity or scar. It is often distinguished from other corneal opacities by its dense, white, and well-defined appearance.
  • The differential diagnosis included a corneal ulcer, but the examination confirmed it was a leucoma.

Variants and Related Words

• Leukoma: An alternative spelling for leucoma.
• Corneal opacity: A broader term for any clouding of the cornea, which includes leucoma as one specific type.
• Corneal scar: A general term for scar tissue on the cornea, which a leucoma represents.

Synonyms

• Corneal leukoma: A more descriptive synonym.
• Corneal opacity: A general synonym referring to the clouding of the cornea.
• Corneal scar: A synonym emphasizing the scarred nature of the condition.

Antonyms

• Clear cornea: A healthy, transparent cornea without any opacities or scars.

Notes

• Word Origin: The word "leucoma" comes from the Greek "leukos," meaning "white," reflecting the characteristic appearance of the condition.
• Clinical Significance: A leucoma can significantly affect vision if it is located in the central visual axis, as it blocks light from entering the eye properly.

Học thuật

Noun

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

Từ đồng nghĩa

• leukoma