| ultrasound examination | <investigation> The use of high-frequency sound waves to locate a tumour inside the body. Helps determine if a breast lump is solid tissue or filled with fluids. (09 Oct 1997) |
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| fluorescein eye examination | A special test that allows the examiner to detect cornea abrasions or corneal foreign bodies. An orange dye (fluorescein) is placed into the eye and the eye is illuminated with a cobalt blue light (black light). This serves to highlight any irregularities in the corneal surface. (27 Sep 1997) |