Like a modern-day Chiropractor in Grand Rapids MI, I'm nicely aware of the astigmatism of Chiropractic care. However, we are literally a health care provider in Science with scientific tests exhibiting the measurements in degrees on the purely natural curve of your spine. Bet you did not know that! http://chiropactor72693.getblogs.net/22495400/the-most-effective-chiropractor-in-grand-rapids