Any physician may report to the Department of Motor Vehicles, in writing, the name, age and address of any person diagnosed by him to have any chronic health problem which in the physician’s judgment will significantly affect the person’s ability to safely operate a motor vehicle, or to have recurrent periods of unconsciousness uncontrolled by medical treatment. Any optometrist may report to the department, in writing, the name, age and address of any person known by him to have a vision problem which in the optometrist’s judgment will significantly affect the person’s ability to safely operate a motor vehicle. Such reports shall be for the information of the commissioner in enforcing state motor vehicle laws, and shall be kept confidential and used solely for the purpose of determining the eligibility of any person to operate a motor vehicle on the highways of this state.