A cable actuator comprises a housing, a handle, and a locking pin. The imaging system includes an illumination system operable to emit at least first and second light pulses at first and second wavelengths, respectively. The methods are useful to treat conditions associated with or resulting from angiogenesis, particularly pathological angiogenesis. A deflection contact part factor for the article is calculated, and a bearing ratio curve level is determined based upon the calculated deflection contact part factor and the magnitude of the height or distance between the tallest peak and the lowest valley on the surface of the article. 4 aminocyclopyrachlor, the salts and esters thereof.