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.
There are external styes and internal styes. An external stye is an infection of the apocrine sweat glands of Moll, or the sebaceous glands of Zeis, and form on the outside of the lids. An infection of the meibomian sebaceous glands, which line the inside of the eyelids, are called internal styes. chalazion is a slow growing cyst of the eyelid that's caused by blockage and swelling of an oil gland. Chalazion treatment consist of a warm compress for 10 to 15 minutes, five times a day, to promote drainage of the clogged gland and reduce swelling.