Definition

1. Noun:
   • Diplopia: A medical condition in which a person sees two images of a single object. This is the direct and primary meaning of "song thị" in Vietnamese.

Usage Examples

• Noun:
  • Bệnh nhân phàn nàn về triệu chứng song thị sau chấn thương. (The patient complained of diplopia symptoms after the injury.)
  • Song thị có thể là dấu hiệu của các vấn đề về thần kinh hoặc cơ mắt. (Diplopia can be a sign of neurological or eye muscle problems.)

Advanced Usage

• "Bị song thị": to have/suffer from diplopia.
  • Ông ấy bị song thị tạm thời do mệt mỏi. (He has temporary diplopia due to fatigue.)

Variants and Related Words

• Nhìn đôi: This is a common vernacular/synonymous phrase for "song thị", meaning "double vision".
  • Tôi bị nhìn đôi mỗi khi đọc sách lâu. (I get double vision whenever I read for a long time.)

Synonyms

• Double vision: The common English term for "song thị".
• Diplopia: The formal medical term in English.

Related Phrases

• Song thị một mắt (Monocular diplopia): Double vision that persists when one eye is closed.
• Song thị hai mắt (Binocular diplopia): Double vision that only occurs when both eyes are open and disappears when one eye is closed.

1. (y học) Diplopia