Related by context. Frequent words. (Click for all words.) 59 femtosecond laser 58 laparoscope 58 phacoemulsification 57 loupe 57 endoscope 57 optical coherence tomography 57 microsurgical 57 intraocular lens 57 optical coherence tomography OCT 57 Computed tomography 56 ultrasound scanners 56 CBCT 56 near infrared spectroscopy 56 intravascular ultrasound 56 ultrasound 55 fluoroscopic 55 speculum 55 retinal imaging 55 Doppler ultrasound 55 confocal microscope 55 collimator 55 x ray 55 X ray 54 eyepieces 54 electrode array 54 Coblation 54 intraocular 54 colonoscope 53 excimer laser 53 endotracheal tube 53 scanning electron microscope 53 laser ablation 53 artificial retina 53 scanning electron microscopy 53 minimally invasive technique 53 noninvasive imaging 52 radiograph 52 palpation 52 endoscopes 52 Laparoscopic surgery 52 intraoperatively 52 nanosensor 52 maxillofacial 52 ZEISS 52 thermographic 52 endoscopy 52 Radiographic 52 Virtual colonoscopy 52 monocular 52 x ray imaging 52 laser sintering 51 ultrasound imaging 51 vitrectomy 51 artificial cornea 51 Sonography 51 eyepiece 51 frequency comb 51 ultrasonics 51 Positron Emission Tomography PET 51 near infrared NIR 51 imager 51 handpiece 51 tomography 51 magnetic resonance MR 51 cannulas 51 diffractive 51 retractor 51 anatomical structures 51 infra red 50 refractive error 50 electrocautery 50 Radiographs 50 Ultrasound 50 Microscopes 50 photonic crystal 50 electron microscope 50 photodynamic therapy PDT 50 wavefront 50 diagnostic ultrasound 50 intraocular lenses 50 ultrasound scan 50 Computed Tomography 50 CT computed tomography 50 fluoroscopy 50 refractive errors 50 superlens 50 X ray imaging 50 imaging 50 confocal 50 Echocardiography 49 microscopy techniques 49 cone beam 49 retinal 49 Cataract surgery 49 cataract formation 49 stethoscope 49 thermal ablation 49 magnifier 49 electrosurgical 49 photometer 49 bronchoscopy