A carcass transportation device for facilitating easy loading, transporting and unloading of a carcass, preferably a hog carcass, by a single person. Therapeutic methods, compositions, and medicaments for the treatment of glaucoma or ocular hypertension related thereto are also disclosed. The first coil is configured to circumferentially surround the tubular and induce, from without the tubular, current flow in a cylindrical portion of the tubular adjacent the first coil. The first N-type, the third N-type, the first P-type, and the second P-type high doping regions are coupled to a ground end, the third P-type, the fifth P-type, the fourth N-type, and the fifth N-type high doping regions are coupled to a voltage supply end, and the second N-type and the fourth P type high doping regions are coupled to an inputoutput end. The umbrella further includes one or more retractable levers integrally attached along the post. For example up to the memory limitations of a particular device the Shadow Buffers can be utilized to soft-edge blend, digitally warp projected image tiles and simultaneously corrects for defects in the projector and screen.