<span>The blindness is considered sudden if the loss of vision develops within a few minutes to a couple of days. It may affect one or both eyes and all or part of a field of vision. </span>Sudden loss of vision can occur for a number of reasons.
The most common causes of sudden loss of vision are physical: damaged retina, Blockage of a major artery of the retina,<span>Eye injury...
</span>But, <span>tests have shown no physical basis for his symptoms. So, the diagnosis can</span> some serious medical conditions such as a stroke or brain tumour.
<span>Salicylate intoxication.
You forgot to mention that the client is also hyperventilating.
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Answer:
One can be spread, transmitted, usually through the air. Whereas one cannot be spread.
infectious disease- Can be spread
noninfectious disease- Cannot be spread
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