DEFINITION of 'Market Discount'. The difference between a bond's stated redemption price and its purchase price on the secondary market, if it has been purchased at a price below par. Market discount arises when a bond's value on the secondary market decreases after it has been issued, usually because of an increase in interest rates.
A chalazion is a small bump in the eyelid caused by a blockage of a tiny oil gland. A chalazion is caused by a blocked duct in one of the meibomian glands. These glands are located in the eyelid directly behind the eyelashes. They produce a thin, oily fluid that lubricates the eye.
The bump that characterizes a chalazion is caused by a blockage in the Meibomian gland on the eyelid. Meibomian glands produce oil in both the upper and lower eyelids. Certain people are more likely than others to get a chalazion. Common risk factors include: