Will staying up late worsen night blindness?

Written by Li Zhen Dong

Ophthalmology

Updated on September 04, 2024

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If night blindness is caused by congenital reasons, then staying up late generally does not significantly worsen it. If it is caused by acquired eye abnormalities, staying up late will noticeably exacerbate the occurrence of night blindness. Additionally, if it is caused by a deficiency in vitamin A, one should rest properly, reduce close-range activities, avoid staying up late, and supplement with foods or medications containing vitamin A. If the night blindness is due to eye-related causes, active treatment and regular follow-ups are recommended. If it is due to congenital reasons, currently there are no particularly effective treatments available.

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Written by Tao Yuan

Ophthalmology

58sec

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What should be paid attention to in night blindness?

Night blindness is a common symptom in ophthalmology and can be caused by many reasons. Once night blindness occurs, patients need to promptly visit an eye clinic for a face-to-face examination to diagnose the cause, and then treat it based on the specific cause. The common causes include the following: First, it can be caused by late-stage glaucoma. Surgery is needed to reduce intraocular pressure to halt the progression of the disease; otherwise, it may lead to complete blindness. Second, it can be due to a deficiency of vitamin A, related to long-term poor diet and malnutrition. It often also includes symptoms such as dryness of the conjunctiva and softening of the cornea, which can be treated by taking vitamin A capsules orally. Third, it is caused by malnutrition of the rod cells in the retina. Currently, there is no effective treatment for this condition.

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Written by Wang Hui Zhen

Ophthalmology

1min 32sec

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Can night blindness be improved by wearing glasses?

Generally speaking, it is difficult to improve night blindness by fitting glasses. If the patient already has tunnel vision, they can try wearing special glasses to enhance the visual quality of the remaining vision. Night blindness refers to blurred vision or even complete inability to see in the dark or dimly lit environments, causing difficulties in movement. Night blindness can be categorized into congenital night blindness, acquired night blindness, and temporary night blindness. Congenital night blindness is mostly related to congenital genetic factors, where patients are born lacking the function to synthesize rhodopsin, leading to night blindness. Currently, there is no specific treatment, but it is advisable to supplement vitamin A as per medical advice. Acquired night blindness is often due to diseases of the eye itself and it is recommended to actively treat the primary disease. Temporary night blindness is mostly due to a lack of vitamin A in the diet, or diseases of the digestive system that affect the absorption of vitamin A, and it is recommended to supplement vitamin A as per medical advice and treat digestive tract diseases, which can mostly improve the condition.

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Written by Wang Hui Zhen

Ophthalmology

1min 7sec

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Does night blindness lead to blindness?

Night blindness, if severe, can lead to blindness. Night blindness refers to blurred vision at night or in dimly lit environments, or even total inability to see, causing difficulty in movement and affecting normal life. Night blindness can be categorized into congenital night blindness, acquired night blindness, and temporary night blindness. Congenital night blindness is mostly related to congenital genetic factors, where patients are born with a lack of the ability to synthesize rhodopsin, leading to night blindness. Acquired night blindness is often due to diseases of the retina itself, and it is advisable to actively treat the underlying disease, which can cure most cases. Temporary night blindness is mostly due to a lack of vitamin A in the diet or due to certain digestive system diseases affecting the absorption of vitamin A, for which it is advisable to follow medical advice and supplement with an appropriate amount of vitamin A and other treatments.

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Written by Wang Hui Zhen

Ophthalmology

1min 14sec

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What causes sudden night blindness?

There are many causes of sudden night blindness. Night blindness refers to blurry vision or even complete inability to see in low-light conditions such as nighttime, possibly even leading to difficulties in movement. Night blindness can be categorized into congenital, acquired, and temporary types. Congenital night blindness is mostly related to genetic factors, where the patient is born with a deficiency in synthesizing rhodopsin, leading to night blindness. Temporary night blindness is often due to a lack of Vitamin A in the diet, or due to some digestive system diseases that affect the absorption of Vitamin A. Acquired night blindness is usually caused by diseases of the retina or the eye itself. Therefore, if sudden night blindness occurs, it is recommended to go to a reputable hospital's ophthalmology department for comprehensive examinations such as visual acuity, intraocular pressure, slit lamp, dilated fundus examination, and if necessary, further tests like fundus fluorescein angiography to identify the cause and provide targeted treatment.

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Written by Tao Yuan

Ophthalmology

1min 1sec

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Is it useful to wear glasses for night blindness?

Patients with night blindness cannot improve their symptoms by fitting glasses. Fitting glasses is mainly used to correct refractive errors, such as myopia, hyperopia, astigmatism, etc., whereas night blindness is not caused by refractive errors. It is usually caused by the following reasons: First, it may be caused by retinal pigment degeneration, for which there is currently no effective treatment. Avoiding strong light stimulation can help delay the progression of the disease. Second, it may be caused by late-stage glaucoma, which requires treatment with medication or surgery to reduce eye pressure in order to stop and delay the progression of the disease. Third, it may be caused by malnutrition of the rod cells, related to genetic factors, for which there is also no effective treatment available. Fourth, it may be caused by a lack of vitamin A, which can be treated by taking vitamin A capsules orally. (Please follow medical advice when using medication.)