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Scleral tattooing. Scleral tattooing is the practice of tattooing the sclera, or white part, of the human eye.Rather than being injected into the tissue, the dye is injected between two layers of the eye, then gradually spreads.
The sclera, [note 1] also known as the white of the eye or, in older literature, as the tunica albuginea oculi, is the opaque, fibrous, protective outer layer of the eye containing mainly collagen and some crucial elastic fiber.
According to traditional Chinese and Japanese face reading, the eye is composed of two parts, the yin (black, iris and pupil) and the yang (white, sclera).The visibility of the sclera beneath the iris is said to represent physical imbalance in the body, and is claimed to be present in alcoholics, drug addicts, and people who over-consume sugar or grain.
The leading reason for corneal tattooing is to alter the appearance of the eye cosmetically. Usually, the need for this alteration stems from corneal opacity.Corneal opacities (scarring of the cornea that creates an opaque or semi-transparent area on the eye) may be caused by leucoma, keratitis or cataracts. [1]
The sclera is involved in two-thirds of cases (causing an increased risk of glaucoma). It should not be confused with Mongolian spot , which is a birthmark caused by entrapment of melanocytes in the dermis but is located in the lumbosacral region.
Aside from bluing, you can also use liquids like a cup of lemon juice or distilled white vinegar to clean white fabrics, according to Rodriguez. Top-rated products for whitening clothes without bleach
"Teeth whitening is the process of bleaching the middle layer of the tooth to make the overall appearance of the tooth whiter," says Naomi Levy Goldman, DMD, Cosmetic & Restorative Dentist. "This ...
Scleral lens, with visible outer edge resting on the sclera of a patient with chronic severe dry eye syndrome. Modern scleral lenses are made of a highly oxygen permeable polymer. They are unique in their design in that they fit onto and are supported by the sclera, the white portion of the eye.