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In a technique known as blue field entoptoscopy, the effect is used to estimate the blood flow in the retinal capillaries.The patient is alternatingly shown blue light and a computer generated picture of moving dots; by adjusting the speed and density of these dots, the patient tries to match the computer generated picture to the perceived entoptic dots.
A blue/turquoise bead with two, seven or nine small holes [70] resembling eyes around a necklace is often worn and is said to be protection from the evil eye. Some may also spit three times without saliva. It is said that people with green or blue eyes are more prone to the evil eye effect. [71] [citation needed] [clarification needed]
A Patch of Blue is a 1965 American drama film directed and written by Guy Green about the friendship between an educated black man (played by Sidney Poitier) and an illiterate, blind, white 18-year-old girl (played by Elizabeth Hartman in her film debut), and the problems that plague their friendship in a racially divided America.
The cure in this story is more complex; Jesus anoints the man's eyes with a mixture of clay and spittle, then tells him to wash them in the Pool of Siloam. Jesus later makes use of this miracle as a metaphor, explaining that he came into the world so that the blind might see, and condemning the spiritual blindness of the Pharisees.
Waardenburg syndrome is a group of rare genetic conditions characterised by at least some degree of congenital hearing loss and pigmentation deficiencies, which can include bright blue eyes (or one blue eye and one brown eye), a white forelock or patches of light skin.
Related: If You See a Blue Jay, Here's the True, Unexpected Significance of Them Appearing in Your Life What Are the Spiritual Meanings of Seeing a Bald Eagle? 1.
The irises of human eyes exhibit a wide spectrum of colours. Eye color is a polygenic phenotypic trait determined by two factors: the pigmentation of the eye's iris [1] [2] and the frequency-dependence of the scattering of light by the turbid medium in the stroma of the iris.
Argus Panoptes is referenced in the scientific names of at least eight animals, each of which bears a pattern of eye spots: reptiles Cnemaspis argus, Eremias argus, Sibon argus, Sphaerodactylus argus, and the Argus monitor Varanus panoptes; [16] [17] the pheasant Argusianus argus; the fish Cephalopholis argus and the cowry Arestorides argus.