VC Co is a firm of opticians. It provides a range of services to the public, such as eye tests and contact lens consultations, and has a separate dispensary selling glasses and contact lenses. Patients book appointments with an optician in advance.
A standard appointment is 30 minutes long, during which an optician will assess the patient’s specific requirements and provide them with the eye care services they need. After the appointment, patients are offered the chance to buy contact lenses or glasses from the dispensary.
Which of the following describes a characteristic of the services provided by an optician at VC Co during a standard appointment?