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.
A Primary Moon Phase. Full Moon is the 3rd of the 4 primary Moon phases which occur at specific moments in time. The other 3 are New Moon, First Quarter Moon, and Third Quarter Moon. In addition, there are 4 intermediate phases which take up the time in between the primary phases.