Night blindness is a condition where you can't see well at night.

Meaning: Night blindness is a condition in which a person has difficulty seeing in low light conditions.

Choice of Words: Night means the time when it is dark outside. Blindness is the condition of being unable to see. Is is a verb that means to exist or to be. A is the first letter of the alphabet. Condition is a state or situation. Where is used to introduce a clause that describes a situation or condition.

Alternative Expressions

Night blindness is a condition where you can't see well at night.

Meaning: This sentence describes a condition where a person has difficulty seeing when it is dark outside. It means that the person is unable to see clearly in low-light conditions.

Choice of Words: Night refers to the period when it is dark outside, typically between sunset and sunrise. Blindness is the inability to see. Condition means a state or situation that someone or something is in. Can't is a contraction of the words "cannot" and means to be unable to do something. See means to use your eyes to look at something. Well means in a satisfactory or acceptable way. At is a preposition that means in or on a particular place or time. Night is repeated to emphasize the time when the difficulty seeing occurs.

When it's dark, people with night blindness have trouble seeing.

Meaning: This sentence describes the difficulty that people with night blindness experience when it is dark outside. It means that they have problems seeing clearly in low-light conditions.

Choice of Words: Dark refers to the absence of light. When is a conjunction that indicates a specific time or occasion. It's is a contraction of the words "it is" and is used to describe a current situation or state. People refers to individuals. With is a preposition that means in the company of or accompanied by. Night blindness is the condition where a person has difficulty seeing in low-light conditions. Have is a verb that means to possess or own something. Trouble means difficulty or problems. Seeing means using your eyes to look at something.

People who can't see well in the dark have night blindness.

Meaning: This sentence defines night blindness as a condition where people have difficulty seeing in low-light conditions. It means that people who are unable to see well in the dark have this condition.

Choice of Words: People refers to individuals. Who is a relative pronoun that introduces a clause describing the people mentioned in the main clause. Can't is a contraction of the words "cannot" and means to be unable to do something. See means to use your eyes to look at something. Well means in a satisfactory or acceptable way. In is a preposition that means within or inside a particular place or thing. The is a definite article that refers to a specific thing or group of things. Dark refers to the absence of light. Have is a verb that means to possess or own something. Night blindness is the condition where a person has difficulty seeing in low-light conditions.

Related Expressions