Eyeball tattoos are not new and with each passing day they are receiving more attention. These tattoos were popular among the inmates and are now becoming prominent features for the tattoo lovers. This kind of tattoo has a lot of risk involved. Eyeball tattoos can be one of the most lethal ventures that you can try out. If anything goes wrong with the procedure, it could have a negative impact on your vision. Many people are completely lost about process that is used tattoo the eyeballs. Most have an idea of skin tattoos and the procedure used to acquire one. The eyeball tattoos involve a similar process to that used for the skin tattoos. A needle is placed right in to the eyeballs and colored ink is injected beneath the eye cornea. Once the colored ink is delivered below the eye cornea, an eyeball tattoo is formed. It is worth mentioning that the cornea is a very sensitive and delicate part of the eye with a thickness of approximately 0.5 to 0.6 mm in the middle and 0.6 to 0.8 mm at the edges. Approximately ninety percent of cornea comprises of stroma which is a middle layer that comprises largely of collagen fibers. The stroma is the exact place where the ink is placed during the procedure. The cornea has got several nerve endings that can bring in certain medical complications. The cornea is a very essential part of the eye and thus any damage to it can lead to serious complications and even blindness. Eyeball tattoos have been presented for many years with the process changing with time. Even with the alterations made on the process, it still remains very risky. Some of the complications that are brought forth by the eyeball tattoos include keratitis which can surface if the ink does not remain out within the cornea, iridocyclitis, corneal ulceration and blindness. Notably, the cornea is a very thin layer which makes penetration of the needle very simple. Since the process of eye tattooing can entail many pricks in order for the ink to spread out, there is a high risk of inflammatory reaction.