What type of dosimeter is used to measure exposure to the head and eyes?

The collar dosimeter is specifically designed to measure radiation exposure to the upper body, including the head and eyes. Positioned at the collar level, this type of dosimeter effectively detects and records the radiation that may impact these sensitive areas, making it essential for individuals working in environments with potential radiation exposure.

This device is particularly advantageous because it allows for monitoring of doses that could cause significant health effects due to radiation exposure near vital organs, especially in fields such as healthcare or nuclear industries where exposure to ionizing radiation is a concern.

In contrast, whole body dosimeters are typically worn on the torso and are used to measure the overall radiation exposure to the entire body, rather than focusing specifically on the head and eyes. Neutron dosimeters are specialized for measuring neutron radiation, which may not be relevant depending on the type of radiation exposure present. Extremity dosimeters are designed for monitoring exposure to the hands and feet, which are not the primary concern for head and eye exposure. Thus, the collar dosimeter is the ideal choice for monitoring exposure in those specific areas.