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.
Some of the blood in the sclera has turned yellow, like a bruise. Subconjunctival hemorrhage, also known as subconjunctival haemorrhage and hyposphagma, is bleeding underneath the conjunctiva. The conjunctiva contains many small, fragile blood vessels that are easily ruptured or broken. When this happens, blood leaks into the space between the conjunctiva and sclera. Such a hemorrhage may be caused by a sudden or severe sneeze or cough, or due to hypertension or as a side effect of blood thinners.
For example, coughing too hard or lifting something too heavy can cause broken blood vessel in eyes. And the time for heal the broken blood vessel depend on how bad your condition is. Usually, it will clear up in a week or a couple of weeks. If your eyes are hurt badly, it may also need three weeks or even more.n that case, broken blood vessel can not affect your eyesight. But if your broken blood vessel is caused by Embolism of retinal artery, venous embolism, phlebitis, diabetic retinopathy, nephritis, hematopathy and so on. It may takes a long to heal. So it is hard to give you an exact answer.