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Blue field entoptic phenomenon has the appearance of tiny bright dots moving rapidly along squiggly lines in the visual field. It is much more noticeable when viewed against a field of pure blue light and is caused by white blood cells moving in the capillaries in front of the retina .
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.
The crypts are little squiggly lines that radiate out around the pupil; with this condition, thick round or oval openings can be seen. [8] On diagnosis, signs lead to symptoms where there is more than one set of iris muscles, which controls the amount of light being brought into the eye. [8]
They aren't 'squiggly', they are worn away. In fact, the original lines have been replaced since 1969, and they appear to have moved a yard or two further along the road. The "squiggly lines" were added later to signify that a zebra crossing was approaching and that drivers would have to slow down.--Gg53000 12:52, 12 January 2014 (UTC)
The lines and ridges direct oxygen-rich water towards the center of the nest regardless of how the current flows. This creates an ideal environment for egg development and newly hatched pufferfish.
Squigglevision is a method of computer animation in which the outlines of shapes are made to wiggle and undulate, emulating the effect of sketchily hand-drawn animation. Tom Snyder of Tom Snyder Productions invented the technique, which his animation studio Soup2Nuts subsequently used in Dr. Katz, Professional Therapist in 1995, and in Dick and Paula Celebrity Special, the first season of Home ...
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Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.