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.
half-moon - the time at which the Moon is at first or last quarter when half its face is illuminated. month - a time unit of approximately 30 days; he was given a month to pay the bill. phase of the moon - a time when the Moon presents a particular recurring appearance. first quarter - the first fourth of the Moon's period of revolution around the Earth.