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.
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. On average, there's a Blue Moon about every 33 months. Blue Moons are rare because the Moon is full every 29 and a half days, so the timing has to be just right to squeeze two full Moons into a calendar month. The timing has to be really precise to fit two Blue Moons into a single year.