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Nyctalopia (/ ˌ n ɪ k t ə ˈ l oʊ p i ə /; from Ancient Greek νύκτ-(núkt-) 'night' ἀλαός (alaós) 'blind, invisible' and ὄψ (óps) 'eye'), [1] also called night-blindness, is a condition making it difficult or impossible to see in relatively low light. It is a symptom of several eye diseases.
seize the night: An exhortation to make good use of the night, often used when carpe diem, q.v., would seem absurd, e.g., when observing a deep-sky object or conducting a Messier marathon or engaging in social activities after sunset. carpe vinum: seize the wine: Carthago delenda est: Carthage must be destroyed
Hemianopsia, or hemianopia, is a visual field loss on the left or right side of the vertical midline. It can affect one eye but usually affects both eyes. Homonymous hemianopsia (or homonymous hemianopia) is hemianopic visual field loss on the same side of both eyes. Homonymous hemianopsia occurs because the right half of the brain has visual ...
The experience of eye strain when reading in dim light has given rise to the common misconception that such an activity causes permanent eye damage. [3] When concentrating on a visually intense task, such as continuously focusing on a book or computer monitor, the ciliary muscles and the extraocular muscles are strained. This causes discomfort ...
That can including wanting to eat dinner again right after finishing a meal they don't remember. People also may not remember where their home is or the loved ones who take care of them, Dr ...
A thesaurus (pl.: thesauri or thesauruses), sometimes called a synonym dictionary or dictionary of synonyms, is a reference work which arranges words by their meanings (or in simpler terms, a book where one can find different words with similar meanings to other words), [1] [2] sometimes as a hierarchy of broader and narrower terms, sometimes simply as lists of synonyms and antonyms.
Sky brightness refers to the visual perception of the sky and how it scatters and diffuses light. The fact that the sky is not completely dark at night is easily visible. If light sources (e.g. the Moon and light pollution ) were removed from the night sky , only direct starlight would be visible.
I came to in a hospital bed with a sore head. I reached into my hair and felt the staples in my scalp. A handsome young dark-haired doctor with a bushy mustache and brightly lit, amused eyes was standing at the side of my bed conversing cheerfully with me. I didn’t know how long he’d been talking or if I had been talking back.