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.
NEW Full Moon Calendar. New Moon - The Moon's unilluminated side is facing the Earth. Waxing Crescent - The Moon appears to be partly but less than one-half illuminated by direct sunlight. First Quarter - One-half of the Moon appears to be illuminated by direct sunlight. Waxing Gibbous - The Moon appears to be more than one-half but not fully illuminated by direct sunlight. Full Moon - The Moon's illuminated side is facing the Earth. Waning Gibbous - The Moon appears to be more than one-half but not fully illuminated by direct sunlight. Last Quarter - One-half of the Moon appears to be illuminated by direct sunlight. Waning Crescent - The Moon appears to be partly but less than one-half illuminated by direct sunlight.