A member asked:

What rays are used in eye scanning equipment? are they dangerous?

A doctor has provided 1 answer
Dr. Bruce J. Stringer answered

Specializes in Radiology

Depends: What kind of scan? Orbital sonogram uses ultrasound - no ionizing radiation. Mri uses magnetic fields and radio waves - no ionizing radiation. Ct uses x-rays. Definite source of ionizing radiation. Only dangerous if used excessively.

Answered 3/4/2013

5.5k views

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