This meter appears to be a reliable instrument for exophthalmometry. It is the first instrument that allows for a complete parallax-free measurement.

Eye trauma with toy guns resulted in significant injuries that required medical intervention and hospitalization for variable lengths of time, with a potential of causing long-term ocular complications. Our findings should assist public health workers in formulating specific prevention strategies, including a health educational program to make parents and health care professionals aware of the potential harm of these toys.