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 resurfacing is a treatment to reduce facial wrinkles and skin irregularities, such as blemishes or acne scars.The technique directs short, concentrated pulsating beams of light at irregular skin, precisely removing skin layer by layer.aser resurfacing is a treatment to reduce facial wrinkles and skin irregularities, such as blemishes or acne scars.