Night Blindness

Pronunciation: /naɪt ˈblaɪndnəs/

Definitions of night blindness

noun a medical condition characterized by difficulty seeing in low light or darkness

Example Sentences

A1 Night blindness is a condition where a person cannot see well in the dark.

A2 My grandmother suffers from night blindness, so we always make sure to have proper lighting at home.

B1 Night blindness can be caused by a deficiency in vitamin A.

B2 People with night blindness may have difficulty driving at night.

C1 Special glasses or contacts can help alleviate the symptoms of night blindness.

C2 Individuals with night blindness may need to take extra precautions when navigating in low light conditions.

Examples of night blindness in a Sentence

formal Night blindness, also known as nyctalopia, is a condition that affects a person's ability to see in low light or darkness.

informal My grandma has night blindness, so she always carries a flashlight with her when she goes out at night.

slang I can't drive at night because of my night blindness, it's like I'm blind as a bat in the dark!

figurative His stubbornness is like a form of night blindness, preventing him from seeing the truth in front of him.

Grammatical Forms of night blindness

• past tense: experienced
• plural: night blindnesses
• comparative: more night blind
• superlative: most night blind
• present tense: experiences night blindness
• future tense: will experience night blindness
• perfect tense: has experienced night blindness
• continuous tense: is experiencing night blindness
• singular: night blindness
• positive degree: night blind
• infinitive: to experience night blindness
• gerund: experiencing night blindness
• participle: experienced night blindness

Origin and Evolution of night blindness

First Known Use: 1601 year

Language of Origin: English

Story behind the word: The term 'night blindness' originated from the belief that individuals who had difficulty seeing in low light conditions lacked the ability to adapt their vision properly during the night.

Evolution of the word: Over time, the understanding of night blindness shifted from a supernatural or mystical explanation to a medical condition caused by a deficiency in Vitamin A or other underlying health issues affecting the eyes.