Short-sightedness. Someone with short-sightedness can see near objects clearly, but cannot focus properly on distant objects. This is caused by the eyeball being elongated, so that the distance between the lens and the retina is too great.
Radon Symptoms. What are the symptoms of radon poisoning? Since radon is the #2 cause of lung cancer in the U.S., respiratory ailments are the most likely signs of radon-related distress. A persistent cough, hoarseness, breathing difficulties, and recurring respiratory infections are all possible indications of radon poisoning.
You can not see or smell radon gas as it seeps into your basement from the earth below. This radioactive gas causes damage to our cells deep within the lungs. Unlike carbon monoxide gas which has defined symptoms from increasing amounts of exposure similar to the flu. Radon gas exposure has no early discernible symptoms.