Causes and symptoms of night blindness scury rickets and beri beri
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Hi,
Night Blindness
Causes:
1. Nearsightedness, or blurred vision when looking at faraway objects.
2. cataracts, or clouding of the eye's lens.
3. occurs when dark pigment collects in your retina and creates tunnel vision.
Symptoms:
The sole symptom of night blindness is difficulty seeing in the dark. You’re more likely to experience night blindness when your eyes transition from a bright environment to an area of low light, such as when you leave a sunny sidewalk to enter a dimly lit restaurant. You’re also likely to experience poor vision when driving due to the intermittent brightness of headlights and streetlights on the road.
Scurvy
Causes:
1. A poor diet lacking in fresh fruits and vegetables, possibly due to low income or famine
2. Illnesses such as anorexia and other mental health issues
3. Restrictive diets, due to allergies, difficulty orally ingesting foods, or other reasons
4. Excessive consumption of alcohol or use of illegal drugs
Symptoms:
1. Anemia
2. Myalgia, or pain, including bone pain
3. Swelling, or edema
4. Petechiae, or small red spots resulting from bleeding under the skin
5. Gum disease and loss of teeth
6. Poor wound healing
7. Shortness of breath
8. Mood changes, and depression
Rickets
Causes:
Rickets is a skeletal disorder that’s caused by a lack of vitamin D, calcium, or phosphate. These nutrients are important for the development of strong, healthy bones. People with rickets may have weak and soft bones, stunted growth, and, in severe cases, skeletal deformities.
Symptoms:
1. Pain or tenderness in the bones of the arms, legs, pelvis, or spine
2. Stunted growth and short stature
3. Bone fractures
4. Muscle cramps
5. Teeth deformities
6. Skeletal deformities
Beri Beri
Causes:
The main cause of beriberi is a diet low in thiamine. The disease is very rare in regions with access to vitamin-enriched foods, such as certain breakfast cereals and breads.
Symptoms:
1. Shortness of breath during physical activity
2. Waking up short of breath
3. Rapid heart rate
4. Swollen lower legs
5. Decreased muscle function, particularly in the lower legs
6. Tingling or loss of feeling in the feet and hands
7. Mental confusion
8. Difficulty speaking
9. Vomiting
10. Involuntary eye movement
11. Paralysis
Hope this will help you :)
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