An ellipse has 2 foci. They are the points of the major axis which are at distance $a$ from the intersection between the minor axis and the ellipse. The distance between the foci and the center is then called the linear eccentricity $f$.
Find Your Surgeon. Find Your Surgeon. The average cost of laser skin resurfacing is $2,222 for ablative and $1,113 for non-ablative, according to ASPS 2012 statistics. The cost of laser skin resurfacing may vary, and the aforementioned fees are the national average surgeon/physician fee only.ind Your Surgeon. The average cost of laser skin resurfacing is $2,222 for ablative and $1,113 for non-ablative, according to ASPS 2012 statistics.
Laser skin resurfacing, a relatively new procedure, has grown considerably. According to the American Society of Plastic Surgeons, there were 466,238 laser skin resurfacing procedures performed in 2011, an increase of 9% since 2010. As people grow older, signs of aging become more and more prominent, usually oneâs face.