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    Elementary age boy in ophthalmology glasses while eye examination in clinic. — Stock Photo
    Elementary age boy in ophthalmology glasses while eye examination in clinic.
    Attentive female doctor in surgical uniform and sterile mask looking through microscope while operating eye of unrecognizable patient in hospital — Stock Photo
    Attentive female doctor in surgical uniform and sterile mask looking through microscope while operating eye of unrecognizable patient in hospital
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration. — Stock Photo
    Leaf epidermis, light micrograph. Leaf epidermis has small pores, called stomata, which open up for photosynthetic gas exchange and transpiration.
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    3d illustration of cross-section of human eye in side view and frontal view. — Stock Photo
    3d illustration of cross-section of human eye in side view and frontal view.
    Man working in dental laboratory — Stock Photo
    Man working in dental laboratory
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Ethereal northern lights over lake in boreal forest, Yellowknife environs, Northwest Territories, Canada — Stock Photo
    Ethereal northern lights over lake in boreal forest, Yellowknife environs, Northwest Territories, Canada
    Young child in labcoat looking into a microscope — Stock Photo
    Young child in labcoat looking into a microscope
    Attentive adult female medic in disposable mask and ornamental cap working in clinic with surgical microscope — Stock Photo
    Attentive adult female medic in disposable mask and ornamental cap working in clinic with surgical microscope
    Ophthalmologist examining patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining patient with slit lamp in clinic.
    Analog camera on wooden table — Stock Photo
    Analog camera on wooden table
    Optician testing a boy's eyes with optometry devices — Stock Photo
    Optician testing a boy's eyes with optometry devices
    Cheerful cute girl in casual colorful clothes and three dimensional glasses standing on white wall background — Stock Photo
    Cheerful cute girl in casual colorful clothes and three dimensional glasses standing on white wall background
    Woman in lab coat adjusting equipment — Stock Photo
    Woman in lab coat adjusting equipment
    3d illustration of glowing fibre optics on dark background. — Stock Photo
    3d illustration of glowing fibre optics on dark background.
    Composition made of old fashioned photo camera placed near dry autumn leaves and pomegranate — Stock Photo
    Composition made of old fashioned photo camera placed near dry autumn leaves and pomegranate
    Crop ophthalmologist putting on eye test glasses on face of elderly patient for vision diagnostics in clinic — Stock Photo
    Crop ophthalmologist putting on eye test glasses on face of elderly patient for vision diagnostics in clinic
    Mid section of female model looking at filmstrip in photo studio — Stock Photo
    Mid section of female model looking at filmstrip in photo studio
    Cropped young happy female with long brown hair taking picture on old fashioned photo camera on street in city — Stock Photo
    Cropped young happy female with long brown hair taking picture on old fashioned photo camera on street in city
    Ophthalmologist examining female patient with slit lamp in clinic. — Stock Photo
    Ophthalmologist examining female patient with slit lamp in clinic.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Ethnic Asian female photographer shooting photo on professional photo camera on city street — Stock Photo
    Ethnic Asian female photographer shooting photo on professional photo camera on city street
    Man looking through a telescope over the city. — Stock Photo
    Man looking through a telescope over the city.
    Professional photo camera hanging on dry branch on blurred background of sandy shore — Stock Photo
    Professional photo camera hanging on dry branch on blurred background of sandy shore
    Cute young boy trying on glasses in an eyewear store — Stock Photo
    Cute young boy trying on glasses in an eyewear store
    Young girl holding a small wild bird — Stock Photo
    Young girl holding a small wild bird
    Woman in sunhat and scarf on beach — Stock Photo
    Woman in sunhat and scarf on beach
    Supernova remnant N132D, combined X-ray and optical image. — Stock Photo
    Supernova remnant N132D, combined X-ray and optical image.
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic. — Stock Photo
    Elementary age boy undergoing sight examination with slit lamp in ophthalmology clinic.
    Spiral galaxy NGC 3370, HST image. This galaxy is around 98 million light years from Earth. — Stock Photo
    Spiral galaxy NGC 3370, HST image. This galaxy is around 98 million light years from Earth.
    Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital — Stock Photo
    Adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital
    Mass of coiled and tangled computer and electrical cables. — Stock Photo
    Mass of coiled and tangled computer and electrical cables.
    Optician with mirror helping content elderly male trying on eyeglasses in optical store — Stock Photo
    Optician with mirror helping content elderly male trying on eyeglasses in optical store
    Digital illustration of global network over planet Earth, world connectivity concept. — Stock Photo
    Digital illustration of global network over planet Earth, world connectivity concept.
    Focused adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital — Stock Photo
    Focused adult female doctor in sterile mask and ornamental medical cap looking through surgical microscope against crop coworker in hospital
    Laptop on a table in a glasses store — Stock Photo
    Laptop on a table in a glasses store
    Female worker looking through microscope — Stock Photo
    Female worker looking through microscope
    Attentive female doctor in surgical uniform and sterile mask looking through microscope while operating eye of unrecognizable patient in hospital — Stock Photo
    Attentive female doctor in surgical uniform and sterile mask looking through microscope while operating eye of unrecognizable patient in hospital
    Crop anonymous female wearing casual blue shirt showing plastic reusable pack with contemporary contact lenses and bottle with solution — Stock Photo
    Crop anonymous female wearing casual blue shirt showing plastic reusable pack with contemporary contact lenses and bottle with solution
    Shocked surprised preteen boy with mouth opened in special glasses with stereoscopic blue and red lens looking away and enjoying 3d graphic video against turquoise background in modern studio — Stock Photo
    Shocked surprised preteen boy with mouth opened in special glasses with stereoscopic blue and red lens looking away and enjoying 3d graphic video against turquoise background in modern studio
    Ophthalmologist carrying out visual acuity test with little patient. — Stock Photo
    Ophthalmologist carrying out visual acuity test with little patient.
    From above set of professional photography equipment arranged near laptop on wooden surface — Stock Photo
    From above set of professional photography equipment arranged near laptop on wooden surface
    Man looking through a telescope over the city. — Stock Photo
    Man looking through a telescope over the city.
    Man having eye test with special equipment. — Stock Photo
    Man having eye test with special equipment.
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman — Stock Photo
    Optometrist adjusting the optometry equipment during study of the eyesight of a black woman
    Low angle of professional contemporary optical equipment against clear night sky with Milky Way among much of bright stars — Stock Photo
    Low angle of professional contemporary optical equipment against clear night sky with Milky Way among much of bright stars
    Boy having eye test with special equipment. — Stock Photo
    Boy having eye test with special equipment.
    Side view of cheerful preteen boy and girl in casual clothes and three dimensional glasses looking at camera sitting back to back against blue background — Stock Photo
    Side view of cheerful preteen boy and girl in casual clothes and three dimensional glasses looking at camera sitting back to back against blue background
    Cute young girl trying on glasses in an eyewear store — Stock Photo
    Cute young girl trying on glasses in an eyewear store
    Optical lens and female worker — Stock Photo
    Optical lens and female worker
    Pair of vintage binoculars — Stock Photo
    Pair of vintage binoculars
    Woman with photo camera and compass — Stock Photo
    Woman with photo camera and compass
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman — Stock Photo
    Optometrist using an ophthalmoscope during study of the eyesight of a black woman
    Adult female doctor in surgical uniform and sterile mask looking at camera while sitting in clinic — Stock Photo
    Adult female doctor in surgical uniform and sterile mask looking at camera while sitting in clinic
    Young female with long brown hair taking picture on old fashioned photo camera on street in city — Stock Photo
    Young female with long brown hair taking picture on old fashioned photo camera on street in city
    Side view of unrecognizable young male medical photographer in sterile mask and uniform taking pictures on professional camera during surgery in modern operating room — Stock Photo
    Side view of unrecognizable young male medical photographer in sterile mask and uniform taking pictures on professional camera during surgery in modern operating room
    Reflection of woman in lens — Stock Photo
    Reflection of woman in lens
    Crop anonymous female wearing casual blue shirt showing plastic reusable pack with contemporary contact lenses and bottle with solution — Stock Photo
    Crop anonymous female wearing casual blue shirt showing plastic reusable pack with contemporary contact lenses and bottle with solution