Weiss Comfort Shield. Inventor. A device proven to reduce or eliminate the discomfort of transcutaneous injections, specifically designed for use with Botox Cosmetic injections. [ U.S. Patent #7,842,007 - Apparatus and Methods for Isolating Human Body Areas for Localized Cooling. Issued 11/30/2010]. View the PDF and View the video Weiss Vertexometer. Inventor. A device used to directly measure the vertex distance before refractive surgery. For the most accurate visual results, the precise vertex distance must be known prior to procedures such as LASIK, PRK, LTK and intra-ocular contact lenses. Introduced by OASIS Medical at the American Academy of Ophthalmology's Annual Meeting in New Orleans, November 11, 2001. [U.S. Pat. #6,033,071 - Method and apparatus for measuring distance between an eye and a lens. Issued 3/7/2000 ] New Device for Removing the Corneal Epithelium before Hyperopic PRK. Inventor. Presented at the American Society of Cataract and Refractive Surgery: 1997 Symposium on Cataract, IOL and Refractive Surgery, Boston, April 26, 1997. Rotary epithelial scrubber. Co-developer. A superior method of epithelial removal prior to PRK. Presented at the American Society of Cataract and Refractive Surgery, Seattle, June 2, 1996.