Visual field fast is an app that is designed to use the iPad screen to detect vision problems quickly. This App uses a novel stimulus to allow people to identify their vision problems. It tests the Central 24 degrees of vision. The colour and the size of the stimulus is customisable. Note: this app is intended for use only for general wellbeing purposes or to encourage or maintain a healthy lifestyle, and is not intended to be used for any medical purpose (such as the detection, diagnosis, monitoring, management or treatment of any medical condition or disease). Any health-related information provided by this device or software should not be treated as medical advice. Please consult a physician for any medical advice required.