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Key Considerations in Eye Tracking Software

Eyes often tell a tale about a person’s nature, likings, and disliking. They reveal a person’s reaction to a certain stimulus. For decades, efforts are on to track eyes’ movement to understand human behavior. With time, technology has opened doors to track eye movement. Now, one can determine the movement of the pupil, where a person is staring at, and for how long. This knowledge plays an important role in accurately measure visual attention.
 

An eye tracker sends near-infrared light to the eyes. As the light gets reflected from both the pupil and cornea, HD cameras attached to the tracker records it. Therefore, through advanced calculations, the software tells where a person is looking at. The trackers allow mapping the eye’s position multiple times in a second. They also offer a visual map explaining a person's reaction to different elements of a scene.    


Types of eye trackers

1. Screen-based   

They are remote devices and you have to attach them with a monitor or laptop. These devices can provide a large amount of data as well as a wide range of sampling rates. You get to know minor details related to eye movement. They mostly find their use in the medical profession. They help to study people having medical problems.   

2. Eye-tracking glasses  
 
These trackers have a built-in camera and microphone to record every scene. They do not affect people’s natural reaction to any stimulus. They are mostly used to study human behavior in real situations. For example, people’s reactions while playing, working, interacting with others, and more.   
 
3. VR headsets   

These headsets come with integrated eye trackers. They are useful in recording the situational interactions of humans in multiple environments. However, the environments need not have to be physically present. These headsets help train people against issues they may face in a risky environment. This apart, they find use in testing accuracy and realistic aspect of any design like a building.   

Benefits of eye-tracking software

•    Eye-tracking software give insight into people’s subconscious behavior   
•    No more do you have to remember the data from the previous assessment. Also, there is no chance that a participant can give incorrect information. These trackers do not alert people or make them aware that they are the subject of study. As a result, they act normally.    
•    The trackers are versatile. Moreover, they are mobile. You can carry them to any environment and set them to record data.   
•    Unlike the other forms of assessment, these trackers conduct deep analysis. They provide data having a high level of granularity.    
•    You have the opportunity to record data in real-time.   
•    These trackers offer gaze plots and maps to properly explain results. You get to know intricate details regarding people’s reaction to a stimulus.    
•    You can combine the data with other forms of data like EEG, ENG, and more to get better results. These trackers offer information to understand the physiological behavior of people.   

Data obtained from the trackers find their uses in a variety of fields. Some of them are  
 
•    Market research   
•    Scientific research   
•    Human and industry performance   
•    User experience      




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