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According to WebMD, "There are doctors who may recommend eye exercise for eyestrain, blurred vision, headaches, increased sensitivity to bright light, tired eyes, or difficulty sustaining attention."
Specifically, eye-tracking can be used to assess search efficiency, branding, online advertisements, navigation usability, overall design and many other site components. Analyses may target a prototype or competitor site in addition to the main client site. Eye-tracking is commonly used in a variety of different advertising media.
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An eye movement shifts the orientation of the coil to induce an electric current, which is translated into horizontal and vertical eye position. The second technique is an eye tracker . This device, while somewhat more noisy, is non-invasive and is often used in human psychophysics and recently also in instructional psychology.
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Vision therapy (VT), or behavioral optometry, is an umbrella term for alternative medicine treatments using eye exercises, based around the pseudoscientific claim that vision problems are the true underlying cause of learning difficulties, particularly in children. [1]
In interactive mode, the eye-tracker is used as an input device. From a general point of view, an interactive system responds to the observer's actions and interacts with them. Because the display updates in response to the observer's eye movements, the gaze-contingency paradigm can be classified an interactive eye-tracking application. [1]
Oculometer is a device that tracks eye movement. [1] [2] The oculometer computes eye movement by tracking corneal reflection relative to the center of the pupil. [3]An oculometer, which can provide continuous measurements in real time, can be a research tool to understand gaze as well as cognitive function.