AR (Autorefraction) BDUS (Ultrasound Bone Densitometry) BMD (Bone Mineral Densitometry) CR (Computed Radiography) CT (Computed Tomography) DX (Digital Radiography) ECG (Electrocardiography) EPS (Cardiac Electrophysiology) ES (Endoscopy) GM (General Microscopy) HD (Hemodynamic Waveform) IO (Intra-oral Radiography) IVOCT (Intravascular Optical Coherence Tomography) IVUS (Intravascular Ultrasound) KER (Keratometry) LEN (Lensometry) MG (Mammography) MR (Magnetic Resonance) NM (Nuclear Medicine) OAM (Ophthalmic Axial Measurements) OCT (Optical Coherence Tomography) OP (Ophthalmic Photography) OPM (Ophthalmic Mapping) OPR (Ophthalmic Refraction) OPT (Ophthalmic Tomography) OPV (Ophthalmic Visual Field) OSS (Optical Surface Scanner) PT (Positron emission tomography) PX (Panoramic X-Ray) RF (Radiofluoroscopy) RG (Radiographic imaging) SM (Slide Microscopy) SRF (Subjective Refraction) US (Ultrasound) VA (Visual Acuity) XA (X-Ray Angiography) XC (External-camera Photography)