The primary ethical concerns associated with the use of smart glasses include concerns about privacy and surveillance, concerns about distraction and safety, and concerns about the potential for discrimination.

Smart glasses can be used to invade someone's privacy by recording video and audio without their knowledge or consent, by tracking their movements and activities, and by accessing their personal data without their permission.

Smart glasses can be used to distract someone or create a safety hazard by displaying information in the wearer's field of vision, by playing music or other audio content, and by vibrating or making other noises.

Smart glasses can be used to discriminate against someone by denying them access to certain places or services, by tracking their movements and activities and using that information to make decisions about them, and by displaying information about them that could be used to discriminate against them.

Some of the steps that can be taken to address the ethical and privacy concerns associated with the use of smart glasses include developing clear and comprehensive privacy policies, educating users about the potential risks and benefits of using smart glasses, and implementing technical safeguards to protect user data.