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Amblyopia, also called lazy eye, is a disorder of sight in which the brain fails to fully process input from one eye and over time favors the other eye. [1] It results in decreased vision in an eye that typically appears normal in other aspects. [ 1 ]
It may be caused by vitamin A deficiency, [1] which is sometimes used to describe that condition, although there may be other causes. Xerophthalmia caused by a severe vitamin A deficiency is described by pathologic dryness of the conjunctiva and cornea. The conjunctiva becomes dry, thick and wrinkled. The first symptom is poor vision at night.
There’s one slight problem: While iron deficiency was found to be “very common” in the “apparently healthy” general population and associated with all-cause mortality in a 2020 article ...
The predominant cause of nutritional optic neuropathy is thought to be deficiency of B-complex vitamins, particularly thiamine [2] (vitamin B 1), cyanocobalamin (vitamin B 12) and recently copper. [3] Deficiency of pyridoxine (vitamin B 6), niacin (vitamin B 3), riboflavin (vitamin B 2), and/or folic acid also seems to play a role. Those ...
Iron deficiency can also cause shortness of breath, and amplify the symptoms of any chronic condition, such as depression. It can also have an affect on your mood, ability to focus and sleep quality .
Even among adults without conditions that may be associated with iron deficiency – anemia, heart failure, chronic kidney disease or pregnancy – the estimated prevalence of absolute iron ...
This condition is sometimes called "lazy eye", but that term normally refers to the condition amblyopia. If severe enough and left untreated, the drooping eyelid can cause other conditions, such as amblyopia or astigmatism, so it is especially important to treat the disorder in children before it can interfere with vision development.
An analysis of data from more than 8,000 adults in the U.S. revealed that 14% had low iron blood levels, a condition known as absolute iron deficiency, while 15% had the right iron levels but ...