nyctalopic

nyctalopic

A person with nyctalopic vision struggles to see in the dim evening light.

Definition
  1. Adjective:
    • Relating to night blindness: "nyctalopic" describes a condition where an individual has difficulty seeing in low light or darkness, often due to a deficiency in the retina's rod cells or a lack of vitamin A.
Usage Examples
  • Adjective:
    • The nyctalopic patient struggled to navigate the dimly lit room. (The person with night blindness had trouble seeing in the dark.)
    • Her nyctalopic symptoms worsened after sunset, making driving at night dangerous. (Her night blindness became more severe in low-light conditions.)
Advanced Usage

  • "nyctalopic vision": the impaired visual ability specific to night or dim light.

    • Nyctalopic vision can be a symptom of retinitis pigmentosa. (Night blindness is a sign of a degenerative eye disease.)

  • "nyctalopic condition": the state of being affected by night blindness.

    • The nyctalopic condition requires special precautions, such as using bright lights indoors. (Night blindness necessitates adjustments to avoid accidents.)
Variants and Related Words

  • Nyctalopia (noun): the medical term for night blindness.

    • Nyctalopia is often caused by a vitamin A deficiency. (Night blindness is linked to insufficient vitamin A.)

  • Nyct- (prefix): relating to night or darkness (e.g., nyctophobia, fear of the dark).

    • Nyctophobia is a common fear among young children. (Fear of the dark.)
Synonyms

  • Night-blind: the common, non-technical term for the same condition.

    • He is night-blind and cannot see well after dusk. (He suffers from nyctalopia.)

  • Hemeralopic: a less common term meaning the opposite—difficulty seeing in bright light (day blindness), though sometimes confused with nyctalopic.

Phrasal Verbs
  • (None applicable: "nyctalopic" is an adjective and does not form phrasal verbs.)
Related Idioms

  • "Blind as a bat": a common idiom for poor vision, especially in the dark, though not medically precise.

    • Without my glasses, I'm blind as a bat at night. (I have very poor night vision.)

  • "In the dark": figuratively meaning unaware, but can be used literally.

    • He was left in the dark about the surprise party. (Uninformed about the event.)