Blepharitis, or eyelid inflammation, one of the most common problems, is characterized by erythematous eyelids with accumulation of debris along the eyelid margin. Malignant eyelid tumors may be associated with lash loss and erosion of normal eyelid structures.
Moon phases depend on the position of both the Sun and Moon with respect to the Earth. The 4 primary phases of the Moon are: new, first quarter, full and third quarter.
DEFINITION of 'Quarter-Q1, Q2, Q3, Q4'. A three-month period on a financial calendar that acts as a basis for the reporting of earnings and the paying of dividends. A quarter refers to one-fourth of a year and is typically expressed as Q.. The four quarters that make up the year are: January, February and March (Q1); April, May and June (Q2); July, August and September (Q3); and October, November and December (Q4).