Women are much more likely to have Sjogren's syndrome. Sjogren's syndrome is usually diagnosed in people older than 40. Sjogren's syndrome typically occurs in people with one or more known risk factors, including: But it can also damage other parts of your body, such as: In Sjogren's syndrome, your immune system first targets the glands that make tears and saliva. Certain genes put people at higher risk of the disorder, but it appears that a triggering mechanism - such as infection with a particular virus or strain of bacteria - is also necessary. Scientists aren't certain why some people develop Sjogren's syndrome. Your immune system mistakenly attacks your body's own cells and tissues. Sjogren's syndrome is an autoimmune disorder. His indoor light graffiti makes good use of his living space and the objects in it, interacting with the surroundings and nearby props.Request an Appointment at Mayo Clinic Causes The light writing of Eran Hakim takes on some subjects you don’t often see in light photography: the secret world of your inanimate objects. His neighborhood-wide Pac-Man game and crazy colored monsters seem almost like cartoons come to life. Robokon GT has some particularly playful examples of long exposure light graffiti. Jacob Carter’s light painting photos show how much expression can be achieved with a light source and some willing friends. Painting with light in a photograph requires a long exposure time and quick movements of the light source to create ghostly shapes in the finished photo. Today, the availability of good instructions and great equipment has made it possible for amateur photographers to get incredible results with this method. Light painting, or light graffiti, has been growing in popularity since that one fateful picture of Pablo Picasso started making the rounds among photographers. The motion trails from the moving dice and streams of light from a car-mounted camera bring a sense of motion to the still photos without introducing any visual clutter. According to the photographer, his goal was to capture the motion of dance in photographs – something that he obviously did very well.Ĭarl Rosendahl’s long exposure photographs show a slightly more magical side of ordinary objects. ![]() The motion blur photography of Johan L demonstrates how a longer exposure can successfully show movement, even in a still photograph. Kris Klop’s photos of planes taking off show beautiful light trails that seem to make a road in the sky. ![]() Long exposures can make for extremely interesting photographs of scenes that we don’t often get to see. Brent and MariLynn’s pictures of carnival rides effectively capture the chaos and fun of the rapidly moving machines with their brightly colored lights. Moving lights are a favorite subject of motion blur photographers. Mariano Kamp’s pictures of athletes on bikes in the Ironman Triathalon are great examples of how motion can be shown without obscuring the subject entirely. Motion blur photography often features one part of the picture in perfect focus while the moving parts are blurry. Rather than an ultra-fast shutter speed, time-lapse and motion blur photography use a very slow shutter speed or multiple images to convey time and/or movement. ![]() They can be a few consecutive microseconds, moments spanning several years, or anywhere in between. Unlike freeze-frame photography that captures a tiny cross-section of a moment, time-lapse, long exposure and motion blur photography shows a series of moments.
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