13634112 - Organisms under microscope, 19th century illustration13634096 - Cells under microscope, 19th century illustration13634086 - Plant and fungi microscopy, 19th century illustration13634083 - Pillischer's larger Student's Microscope, illustration13613554 - Intraocular lens subluxation, fundoscopy13524562 - Eye test13839269 - Jacob offering Esau a bowl of lentil stew, illustration13672636 - Refraction, illustration13634117 - Organisms under microscope, 19th century illustration13634090 - Cells under microscope, 19th century illustration13686461 - Iris of the eye, SEM13686439 - Iris of the eye, SEM13685619 - Smartphone camera module13634109 - Organisms under microscope, 19th century illustration13524875 - Eye test13524434 - Masai field guide taking pictures with a telephoto lens13672638 - Refraction, illustration13634103 - Organisms under microscope, 19th century illustration13634097 - Cells under microscope, 19th century illustration13838914 - Disulphide bond in eye lens protein, illustration13525518 - Man wearing photochromatic sunglasses in bright sun13524556 - Eye examination12652827 - Jupiter and Milky Way at Dinosaur Park, Alberta, Canada13952135 - Digital SLR camera, CT scan13736718 - Normal eye and eye with cataract, illustration13672635 - Refraction, illustration13585905 - Light entering human eye, illustration13377636 - Eye anatomy, illustration13950551 - Biconvex lens curvature changing focal length, illustration13634118 - Organisms under microscope, 19th century illustration13634093 - Cells under microscope, 19th century illustration13634089 - Cells under microscope, 19th century illustration13585907 - Light entering human eye, illustration13523907 - Microscope use13952134 - Digital SLR camera, CT scan13756200 - Eye lens fibres, light micrograph13687085 - Vintage camera13634121 - Organisms under microscope, 19th century illustration13634099 - Organisms under microscope, 19th century illustration13525034 - Chemistry equipment, early 19th century13613652 - Intraocular lens subluxation14078996 - Audience watching a stereoscopic slideshow, illustration13672634 - Refraction, illustration13634094 - Cells under microscope, 19th century illustration13952133 - Digital SLR camera, CT scan13634106 - Organisms under microscope, 19th century illustration13524866 - Eye test13524563 - Eye test13634082 - Pillischer's No. 1 binocular microscope, illustration13754845 - Praying mantis staring at a camera lens13634115 - Organisms under microscope, 19th century illustration13634111 - Organisms under microscope, 19th century illustration13600927 - New York zoom concept13687088 - Vintage camera13687069 - Vintage camera13525519 - Man wearing photochromatic sunglasses in shade13687089 - Vintage camera13634114 - Organisms under microscope, 19th century illustration13634098 - Organisms under microscope, 19th century illustration13585904 - Human eye anatomy, illustration13524775 - Eye test13377650 - Long-sightedness corrected, illustration12991282 - Eye anatomy, illustration13634092 - Cells under microscope, 19th century illustration13634091 - Cells under microscope, 19th century illustration13524566 - Slit lamp eye examination13524565 - Eye test13524553 - Eye examination13377627 - Convex and concave lenses, diagram13258727 - Patient after tooth in eye surgery13950924 - William and Caroline Herschel, illustration13634104 - Organisms under microscope, 19th century illustration13634101 - Organisms under microscope, 19th century illustration13377633 - Digital camera with inverted image, illustration13226659 - Spectacles, X-ray12361794 - Robert Hooke's microscope13687087 - Vintage camera13634105 - Organisms under microscope, 19th century illustration13634081 - Baker's No. 1 compound microscope, 19th century illustration13524557 - Slit lamp eye examination13511642 - Traumatic detachment of the lens of the eye, CT scan13452494 - Microscope cytology sample slide13377634 - Camera with inverted image, illustration13377632 - Digital camera with inverted image, illustration13672639 - Refraction, illustration13672637 - Refraction, illustration13634100 - Organisms under microscope, 19th century illustration13634079 - Pocket microscope, 19th century illustration13524539 - Man with a contact lens13511644 - Traumatic detachment of the lens of the eye, CT scan13473612 - Red lentil and tomato soup13377631 - Camera with inverted image, cutaway artwork13376764 - Eye anatomy, illustration13736721 - Normal eye and eye with cataract, illustration13634116 - Organisms under microscope, 19th century illustration13634088 - Plant and fungi microscopy, 19th century illustration13454136 - Surgeon uses a microscope during cataract surgery13454135 - Cataract surgery13386814 - Putting in a contact lensnächste Seite