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 first full moon was spotted on 1 July and the second will appear on the last day of the month â Friday, July 31. This appearance is the first such occurrence in three years since the last blue moon month in August 2012, the next will not be until January 2018. Astronomers predict it will only happen on 12 occasions between now and 2043.