Controlling a PC with your eyes is a fascinating area of technology, often referred to as **eye-tracking technology**. It uses specialized devices to monitor and track eye movements, allowing users to interact with a computer without using traditional input devices like a mouse or keyboard.br br There are various tools and software that enable this:br br 1. **Tobii Eye Tracker**: Tobii is one of the leading companies in eye-tracking technology. Their products allow you to control a PC with your eye movements, enabling users with disabilities or anyone looking for an alternative input method to control the interface.br br 2. **Windows Eye Control**: Windows 10 has built-in eye control features that work with compatible eye-tracking hardware (like the Tobii Eye Tracker). This feature lets you control the mouse cursor, click, and even use speech recognition with your eyes.br br 3. **Gaze-based Control Software**: There are several applications that use eye-tracking to control the computer, such as GazePointer, which is an alternative mouse pointer system controlled by eye movements.br br 4. **Accessibility Features**: Eye-tracking is particularly useful for accessibility, helping people with mobility impairments control their devices without the need for a mouse or keyboard.