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.
A hordeolum may be tender to touch. A chalazion is not an infection but may follow or precede a hordeolum. A hordeolum is often referred to as a stye. Picture of a hordeolum. A chalazion is diagnosed by the medical history and the finding of a firm non-painful lump in one of the eyelids.