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
Book of the Ten Treatises of the Eye the sclera, a thick, hard membrane which protects the inner parts of the nerves from injury. The chorioid, a thin and soft structure filled with veins and arteries, follows next and provides nourishment to the overall structure. Finally, the retina transmits nutrients to the lenses themselves. Hunayn then presents the system responsible for protecting the eye. From the outermost level, these are the conjunctiva, cornea, and uvea. While both the conjuctiva and cornea provide protection with minimizing hindrance to the lenses, the uvea has an extra function of concentrating the pneuma exiting out of the eye to prevent it from