differentiate between temporary blindness and permanent blindness
Answers
Answer:
Explanation:
Temporary magnet
1. It is made up of soft iron.
2. The magnet loses its magnetism as soon as the magnetizing force is removed away from it.
3. Because of its weak power, it is not used to make the iron pieces into the magnet.
Permanent magnets
1. It is made up of steel, cobalt, and nickel.
2. The magnet, which does not lose its magnetic properties easily is called a permanent magnet.
3. it can convert an ordinary piece of iron into a temporary magnet.
Answer:
Temporary blindness, a type of non-permanent vision loss, may refer to: Amaurosis fugax, or fleeting blindness. Conversion disorder, formerly called hysterical blindness. Flash blindness, caused by exposure to high-intensity light.
Only legally blind or worse vision persons with permanent, irreversible blindness and known primary etiology of blindness were included in the study. Legally blind defined as visual acuity of 6/60 (20/200) or less in the better eye or a visual field restricted to 20° or less in the widest diameter of vision.
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