<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.
- smoking damages their lungs
- drinking alcohol destroys brain cells & intoxicates the infant
- avoid going to the hot tub or sauna which can cause elevated body temperature
<span>a morbidity survey of the general population, like the national health interview survey</span>
