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    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
    Ophthalmologist examining a womans eyes with a phoropter — Stock Photo
    Ophthalmologist examining a womans eyes with a phoropter
    Girl student conducting scientific experiment in laboratory classroom — Stock Photo
    Girl student conducting scientific experiment in laboratory classroom
    Ophthalmologist examining a woman's eyes with a slit lamp — Stock Photo
    Ophthalmologist examining a woman's eyes with a slit lamp
    Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack, students in background — Stock Photo
    Portrait of smiling female teacher wearing protective eyewear, standing behind desk with microscope and test tubes in rack, students in background
    Medical testing microscopes and equipment in laboratory. — Stock Photo
    Medical testing microscopes and equipment in laboratory.
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Scientific or medical samples on glass table — Stock Photo
    Scientific or medical samples on glass table
    Female scientist holding and analyzing human skull in ancient DNA laboratory. — Stock Photo
    Female scientist holding and analyzing human skull in ancient DNA laboratory.
    Adult employee checking food quality in canteen — Stock Photo
    Adult employee checking food quality in canteen
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human blood and various hematology samples in test tubes while screening in medical lab.
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom — Stock Photo
    Curious students conducting scientific experiment, watching liquid in vial in laboratory classroom
    Nurse's Hand Taking A Blood Test Of Covid-19, Madrid Spain — Stock Photo
    Nurse's Hand Taking A Blood Test Of Covid-19, Madrid Spain
    Laboratory technician using refrigerated centrifuge machine in blood bank — Stock Photo
    Laboratory technician using refrigerated centrifuge machine in blood bank
    Scientist pipetting sample into tube for analytical testing in laboratory. — Stock Photo
    Scientist pipetting sample into tube for analytical testing in laboratory.
    Workers in protective suits using machinery in fiber optics research and testing laboratory — Stock Photo
    Workers in protective suits using machinery in fiber optics research and testing laboratory
    Anonymous African American male in uniform with stethoscope showing blurred vaccine in hand in hospital — Stock Photo
    Anonymous African American male in uniform with stethoscope showing blurred vaccine in hand in hospital
    Scientist checking a solution in test tube in lab — Stock Photo
    Scientist checking a solution in test tube in lab
    Blood samples in microcentrifuge tube strip for genetic analysis. — Stock Photo
    Blood samples in microcentrifuge tube strip for genetic analysis.
    Graduated pipette and test tubes — Stock Photo
    Graduated pipette and test tubes
    Microbiologist pipetting into petri dish in laboratory. — Stock Photo
    Microbiologist pipetting into petri dish in laboratory.
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop concentrated female scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory
    Scientist pipetting sample in microcentrifuge tube for chemical analysis. — Stock Photo
    Scientist pipetting sample in microcentrifuge tube for chemical analysis.
    Various sprouted seeds in Petri dishes. — Stock Photo
    Various sprouted seeds in Petri dishes.
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab. — Stock Photo
    Close-up of human urine, blood and various chemistry samples in test tubes while screening in medical lab.
    Closeup view of empty laboratory beakers in drawer — Stock Photo
    Closeup view of empty laboratory beakers in drawer
    Colored solutions separated into constituent liquids in test tubes. — Stock Photo
    Colored solutions separated into constituent liquids in test tubes.
    Rack of test tubes with blood samples in laboratory. — Stock Photo
    Rack of test tubes with blood samples in laboratory.
    Open laptop and scientific samples on table — Stock Photo
    Open laptop and scientific samples on table
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory. — Stock Photo
    Close-up of multichannel pipette with green liquid on multiwell plate in laboratory.
    Close-up of bar-coded agar plates for biological research. — Stock Photo
    Close-up of bar-coded agar plates for biological research.
    Test tubes, computer illustration — Stock Photo
    Test tubes, computer illustration
    Green seedlings in test tubes, close-up. — Stock Photo
    Green seedlings in test tubes, close-up.
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory. — Stock Photo
    Chemist hand picking samples stored in crimp neck vials in pharmaceutical laboratory.
    Plant sprouts in Petri dish under light microscope. — Stock Photo
    Plant sprouts in Petri dish under light microscope.
    Rack of test tubes with blood samples on blue background. — Stock Photo
    Rack of test tubes with blood samples on blue background.
    Crop anonymous doctor in medical glove demonstrating test tube with blood sample on white background — Stock Photo
    Crop anonymous doctor in medical glove demonstrating test tube with blood sample on white background
    Gloved hand of laboratory assistant examining growth in petri dish, close-up. — Stock Photo
    Gloved hand of laboratory assistant examining growth in petri dish, close-up.
    Medical worker wearing personal PPE surgical gloves and protective clothing,holding nasal swab,performing drive-thru COVID-19 testing,point of care on site location for PCR detection of Coronavirus — Stock Photo
    Medical worker wearing personal PPE surgical gloves and protective clothing,holding nasal swab,performing drive-thru COVID-19 testing,point of care on site location for PCR detection of Coronavirus
    Blood in human urine in sample pots, studio shot. — Stock Photo
    Blood in human urine in sample pots, studio shot.
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Empty and sterile phials in red plastic box. — Stock Photo
    Empty and sterile phials in red plastic box.
    Microbiologist working with petri dishes and test tubes in laboratory. — Stock Photo
    Microbiologist working with petri dishes and test tubes in laboratory.
    Close-up of pipetting colorful liquids into test tubes. — Stock Photo
    Close-up of pipetting colorful liquids into test tubes.
    Crop unrecognizable scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory — Stock Photo
    Crop unrecognizable scientist in white robe and gloves conducting chemical experiment with substance and syringe while working in modern laboratory
    Conical flask glassware with solution on table in science laboratory — Stock Photo
    Conical flask glassware with solution on table in science laboratory
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Female scientist pipetting liquid into Eppendorf tubes. — Stock Photo
    Female scientist pipetting liquid into Eppendorf tubes.
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background — Stock Photo
    Cropped unrecognizable doctor's hand showing a positive blood test of Coronavirus against a pink background
    Young female scientist doing test in laboratory, male scientist standing in background in laboratory. — Stock Photo
    Young female scientist doing test in laboratory, male scientist standing in background in laboratory.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Microscope and piles on Petri dishes in laboratory on blue background. — Stock Photo
    Microscope and piles on Petri dishes in laboratory on blue background.
    Side view of female medical practitioner using computer during work in laboratory of modern hospital — Stock Photo
    Side view of female medical practitioner using computer during work in laboratory of modern hospital
    Elderly bearded male in headphones sitting in soundproof room during audiology examination and hearing test — Stock Photo
    Elderly bearded male in headphones sitting in soundproof room during audiology examination and hearing test
    Group of laboratory test tubes with colored liquids. — Stock Photo
    Group of laboratory test tubes with colored liquids.
    Blood samples for testing in microcentrifuge tubes. — Stock Photo
    Blood samples for testing in microcentrifuge tubes.
    Coronavirus vaccine flask near blood test and syringe on pink background covered with confetti — Stock Photo
    Coronavirus vaccine flask near blood test and syringe on pink background covered with confetti
    Female researcher pipetting liquid into test tube. — Stock Photo
    Female researcher pipetting liquid into test tube.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.
    Scientists viewing sample on glass slide under light microscope. — Stock Photo
    Scientists viewing sample on glass slide under light microscope.