After you fire up the barbecue grill, the charcoal briquettes you use as fuel are eventually reduced to a pile of charred remains and ashes. This residue contains recycled plant material and naturally occurring minerals, but it may also contain harmful chemicals.
Burst blood vessel in the eye. Straining, coughing or injuring your eye can sometimes cause a blood vessel to burst on the eye surface, causing a bright red blotch. This is called a subconjunctival haemorrhage.
A broken blood vessel in the eye is painless. Most people that develop a broken blood vessel in the eye donât even realize they have one until they take a look in the mirror. A person may also realize they have a broken blood vessel in their eye when someone asks them what happened to their eye.