Effect of the Erchonia® LunulaLaser™ for the Treatment of Toenail Onychomycosis

Inclusion Criteria: * Confirmation of the presence of fungal infection through a positive KOH stain finding and a positive fungal culture finding * Identification through fungal culture of the growth of Trichophyton rubrum (T. rubrum) or other common dermatophyte * Visual clinical presentation of onychomycosis in the target great toenail is distal subungual onychomycosis (DSO), visualized as a nail with normal surface texture and thickness but variable "bays" of white nail that extend from the distal nail tip proximally into the area of the nail bed * Clinical involvement of onychomycosis in the target toenail is between 20%-50% * Subject is willing and able to refrain from employing other (non-study) treatments (traditional or alternative) for his or her toenail onychomycosis throughout study participation. * Subject is willing and able to refrain from the use of nail cosmetics such as clear and/or colored nail lacquers throughout study participation * Male or female * 18 years of age or older Exclusion Criteria: * Lack of confirmation of the presence of fungal infection through a negative KOH stain finding and/or a negative fungal culture finding * Visual clinical presentations of onychomycosis in the target great toenail that are inconsistent with the clinical presentation of distal subungual onychomycosis (DSO), in whole or in part (i.e. indicative of mixed etiology); specifically visual clinical presentations consistent with one or more of the following: * Proximal…