![]() The Hertel exophthalmometer had lowest interoperator reliability Popov and colleagues said it may be difficult for examiners to learn to use it and that it may be prone to reading error. The high-resolution scanner showed the most accuracy and precision and was best in terms of interoperator reliability - the least amount of difference among the three examiner. With the results of the three different ways of measuring eyeball protrusion in hand,the researchers then set about to compared them. As with the iPhone images, the scanner’s model of the face was saved as geometry definition file (OBJ) and MATLAB software produced a measurement of eyeball protrusion. The high-resolution face scanning was done an Artec Space Spider scanner. They used a 2019 version of the MATLAB software to measure exophthalmos. They used the iPhone 11’s TrueDepth camera, which is the camera that uses facial recognition to unlock the phone, and an app called Bellus3D FaceApp to get 3-D images of the face. Popov and two colleagues measured the study oar patient’s eyes with the three different methods of measurements. Popov and colleagues recruited a total of 39 patients for this study, 23 with exophthalmos and 16 without it. Monitoring exophthalmos and how far the eyes are bulging out is routine part of the care of people with Graves’ disease. Other causes of exophthalmos include cancers and vascular problems that affect the area around the eye. Swelling behind the eye sockets causes the eyes to bulge out. Protruding eyeballs, or exophthalmos, is a symptom of Graves’ disease, an autoimmune disease that results in inflammation of the muscles and other tissues around the eyes. ![]()
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