The problems Eye Tracking is Suffering
Firstly the eye tracking equipment and software is very expensive, some of the most complex and advanced products can easily go into four figures which the average person may find too expensive.
Not everyone can work with eye tracking software, every person is different and no type of eye is the exact same, issues in the past have been different shape eyes, contact lenses, and even to certain extent eye lashes have been seen as a problem. People with poor vision and elderly people have shown very bad results when it comes to using the software.
The whole process of setting up the eye tracker on a person and the calibrating it can be a very lengthy process, people can become disinterested, and when you compare this to the set up of a mouse it seems like a lifetime.
Eye movements as accurate as they may seem not always produce the results we wish to hope for. Random eye movements may occur resulting in unexpected results. Eye movement are natural to us (subconscious) and compared to a mouse it can be very difficult to precisely gaze the eye on a point.
If these issues can be ironed out then it could widely be adopted in the market.
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