Scleral tattooing including blindness, of the procedure and warns that it should not be performed without a professional. Scleral tattooing is still a new body modification, and potential longterm effects have therefore still not manifested themselves. In 2009 the Oklahoma Senate passed Senate Bill 844, filed by Oklahoma Senator Cliff Branan and supported by the Oklahoma Academy of Ophthalmology, to make it illegal to tattoo the sclera of the eye. Scleral tattooing Scleral tattooing is the practice of tattooing the sclera, or white part of the human eye. The dye is not injected into the tissue, but between two layers of the
Eye vein verification Reza Derakhshani at University of Missouri, Kansas City, developed the concept of using the veins in the whites of the eyes for identification. He holds several patents on the technology, including a 2008 patent for the concept of using the blood vessels seen in the whites of the eye as a unique identifier. More recent research has explored using vein patterns in both the iris and the sclera for recognition. Eye vein verification, like other methods of biometric authentication, can be used in a range of security situations, including mobile banking, government security, and in healthcare environments. EyeVerify, a Kansas