Related by context. Frequent words. (Click for all words.) 53 monocular 53 intraoral 49 aspheric 49 lenses 48 multifocal 47 refractive error 47 fluoroscopic 47 bifocal 46 eyepieces 46 magnifiers 46 diffractive 46 diopter 45 ZEISS 44 loupe 44 binocular vision 44 backscatter X ray 44 numerical aperture 44 phacoemulsification 44 imaging 44 binocular 44 optics 44 sensor arrays 43 refractive 43 collimator 43 transmissive 43 refractive errors 43 polarizing filter 43 stereoscopic images 43 IOLs 43 imager 43 refractor 43 fluorescence microscope 43 wavefront 42 anatomical structures 42 colorimeter 42 apertures 42 optic 42 lens 42 magnifications 42 eyeglass lenses 42 microlenses 42 eyeglass 41 magnification 41 PET positron emission tomography 41 presbyopia 41 spectral imaging 41 eyepiece 41 barcode reader 41 collimated 41 Schneider Kreuznach 41 imagers 41 spherical aberration 41 dimensional 2D 41 bokeh 41 infrared 41 Nikkor 41 scanning 41 geometry 41 biometric identifier 41 rimless 41 InGaAs 41 retinal imaging 41 halftone 41 beam splitter 41 computed radiography 41 Face Detection Technology 41 Presbyopia 41 spatial orientation 40 autofocusing 40 optical coherence tomography OCT 40 eyeglasses 40 diffracted 40 magnifying lens 40 colorimetric 40 fluorescence imaging 40 CCD sensors 40 intraocular lenses 40 fundus 40 glasses 40 optical microscopes 40 diopters 40 infra red 40 Four Thirds System 40 polarized sunglasses 40 infrared beam 40 parallax 40 5x optical zoom lens 40 calibration 39 Moritex 39 laser scanner 39 curvature 39 sunwear 39 magnetic resonance MR 39 membrane switches 39 3X optical zoom 39 intraocular lens 39 toric 39 illuminators 39 corneal ulcers 39 shutter glasses 39 fingerprint biometric