Related by context. Frequent words. (Click for all words.) 61 anatomical structures 58 aqueous humor 56 upper eyelid 56 intraocular 55 collagen fibers 55 sclera 55 conjunctiva 55 vascularity 54 fluoroscopic 54 osseous 54 sodium ions 54 capillaries 53 sensory organs 53 corneal tissue 53 magnification 52 cranial nerves 52 muscles tendons 52 lymphatic drainage 52 ganglion cells 52 confocal microscope 52 conjunctival 52 limbus 52 soft tissues 52 biomolecule 52 digestive organs 52 apertures 51 magnifying lens 51 microcirculation 51 collimator 51 dye molecules 51 pharyngeal 51 bronchi 51 porphyrins 51 viscoelastic 51 antioxidant enzymes 51 stereocilia 51 pelvic organs 51 stomach pouch 51 acetabulum 51 blood vessels 51 diffraction pattern 51 anterior chamber 51 potassium ions 51 primary visual cortex 51 microelectrodes 51 collagen matrix 51 IOLs 51 refractive errors 51 microscale 50 somatosensory 50 laparoscopic instruments 50 vasodilation 50 glomeruli 50 workpieces 50 cornea 50 renal arteries 50 sensory nerves 50 subthalamic nucleus 50 anal canal 50 synovial 50 intraoperatively 50 contractures 50 cusps 50 fluorescent molecules 50 crystal lattice 50 mandibular 50 aspheric 50 myocytes 50 occluding 50 gingival 50 maxillary 50 sinus cavities 50 transversely 50 macromolecules 50 actuating 50 crystallographic 49 tiny incisions 49 curvatures 49 bronchial tubes 49 diffraction limit 49 esophagus stomach 49 iliac 49 distension 49 magnifications 49 medulla 49 cataract formation 49 electrical conduction 49 fluorescent probes 49 ciliary 49 spatial orientation 49 sagittal 49 retinal pigment epithelium 49 diseased tissues 49 Scar tissue 49 intervertebral disc 49 textured surfaces 49 pulmonary arteries 49 confocal 49 workpiece 49 tubules 49 lower esophageal sphincter