The goal of this study is to develop a cannabis impairment detection device in adult cannabis users. The main question[s] it aims to answer are:

• Is the investigational device accurate and reliable at detecting cannabis impairment?
• is the device safe for the collection of eye movement data from cannabis intoxicated individuals? Participants will be administered a series of Drug Recognition Expert Ocular Tests via the Gaize headset following cannabis consumption.

Inclusion Criteria:

• Adults 19, years or older, having given written informed consent to participate in the research trial and certifying that they will not drive for a period of at least 6 hours post discharge.
• Having used cannabis at least one time prior
• Having access to legal cannabis
• Normal or corrected to normal vision using either glasses or contact lenses, or surgery.

Exclusion Criteria:

• Enrolled in, or participated in another clinical trial within 30 days before the study
• Having a prosthetic eye
• Blood pressure greater than 160/90 mmHg and heart rate greater than 100 bpm.