Related by context. Frequent words. (Click for all words.) 65 crystalens 63 IOLs 63 aspheric 62 CEUS 61 flexible endoscopes 61 Astigmatism 61 optical coherence tomography 60 ZEISS 60 microcatheter 60 coronary sinus 59 phacoemulsification 59 collimator 59 laparoscopic instruments 59 silicone hydrogel 59 corneal flap 59 gynecologic procedures 58 platinum chromium alloy 58 epicardial 58 phaco 58 fovea 58 Optical Coherence Tomography OCT 58 intraocular lens 58 microlenses 57 diopter 57 Femoral 57 crystalline lens 57 radiofrequency RF 57 fluoroscopic 57 vitreoretinal 57 Crystalens 57 Nd YAG 57 toric 57 intraoperatively 57 ASPH 57 confocal 57 cementless 57 diffractive 57 endograft 56 Carotid 56 posteriorly 56 scleral 56 intraoral 56 PROMUS 56 carotid stent 56 Cardiac Resynchronization Therapy 56 sulcus 56 sagittal 56 femoral component 56 monovision 56 multifocal 56 transcatheter 56 trabeculectomy 56 TAXUS Liberte Stent 56 distally 55 intracardiac 55 Radiographic 55 ablation catheters 55 XIENCE PRIME 55 drug eluting stent DES 55 Genuine Canon 55 image intensifier 55 intraocular 55 Third Eye Retroscope 55 NIST traceable 55 LEICA D 55 #um [002] 55 septal 55 refractive error 55 retinal tissue 55 vascular grafts 55 ablation catheter 55 keratoconus 55 optical coherence tomography OCT 55 coronary stenting 54 Endoscopes 54 posterolateral 54 sclera 54 wavefront 54 refractive errors 54 humeral head 54 slit lamp 54 Retisert TM 54 INTEGRA 54 uncemented 54 Embolization 54 lamellar 54 pedicle screws 54 numerical aperture 54 Spinal System 54 fundus 54 microcoils 54 PillCam ESO 54 vascular graft 54 Implantable 54 thermal ablation 54 Cataract Surgery 54 transfemoral 54 Evicel 54 calcaneus 54 transmissive 54 varices