While shingles on the skin can include swelling of the eyelid and conjunctivitis, shingles on the eye itself, called herpes zoster ophthalmicus, can cause something much worse â scarring that can lead to vision loss,
Because the time between two full Moons doesn't quite equal a whole month, approximately every three years there are two full Moons in one calendar month. The next time two full Moons occur in the same month (as seen from the United States) will be July 2015. The most recent blue Moon occurred in August 2012.
According to the more recent definition, a blue moon is the second full moon in a calendar month. For a blue moon to occur, the first of the full moons must appear at or near the beginning of the month so that the second will fall within the same month (the average span between two moons is 29.5 days).or a blue moon to occur, the first of the full moons must appear at or near the beginning of the month so that the second will fall within the same month (the average span between two moons is 29.5 days).