Abstract
We estimated the low-energy light irradiation effect on wound healing by tensile strength of guinea pig back skin with four straight wounds. In order to examine the dependence of the wound healing effect on polarization properties of light, we employed four kinds of polarized lights, namely linear, left-hand circular, right-hand circular, and non-polarized ones. On 8 and 15 days after making wounds on guinea pig back skin, the tensile strength was measured quantitatively.The main results are the following, (1) different polarized lights were found to give rise to different effects about wound healing acceleration.(2) the tensile strength of linear polarized light irradiation group is larger than that of the control group on both 8 and 15 days after making wounds.(3) the tensile strength of left-hand circular polarized light irradiation group is smaller than that of the control group on both 8 and 15 days after making wounds.
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