Refractometer วิดีโอ Stock – 304 คลิปวิดีโอฟุตเทจแบบ HD และ 4K

$Agricultural research scientist using brix refractometer sweet test tool for testing sugar and sweetness level at melon farm field$

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$Ophthalmologist checking vision of patient with refractometer in clinic. Examination eyesight with professional ophthalmic apparatus on appointment with oculist.$

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$In a bright laboratory, a scientist in a lab coat carefully uses a refractometer to analyze a liquid sample with a pipette. The focus is on the precise measurement process$

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$A modern device used in ophthalmology is an automatic refractometer. A device for quickly and accurately determining the refractive power of the eye, used in ophthalmology to detect myopia, hyperopia$

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$Cannonau grapes. The agronomist in the vineyard collects and squeezes the grapes on the refractometer to measure the sugar content. Traditional agriculture. Sardinia. Slow motion.$

00:48

$Working of the refractometer machine. Patient testing eyes in clinic. Screen showing progress of eye examination. Close-up.$

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$Man on vineyard with special instrument. Side view of elegant bearded man using refractometer standing on green vineyard and checking sugar of grapes$

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$Using a digital refractometer to measure the specific gravity of a liquid$

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$Auto refractometer testing human eye. Data screen showing progress of an eye examination. Vision concept.$

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$Ophthalmologist using the optical refractometer machine for examing optic of eyes woman.$

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$Close-up view of farmers' hands carefully examining green grapes in a vineyard. They use a refractometer to measure the sugar content, indicating the grapes' ripeness and readiness for harvest.$

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$Woman doctor working with the refractometer machine. Close-up of ophthalmology technology$

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$Agronomist measures the amount of sucrose in the grape juice using a refractometer.$

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$Teenage boy receiving eye examination on modern refractometer in optical store with professional African-American ophthalmologist$

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$Female optometrist using modern automatic refractometer for refraction test during eye examination$

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$An automatic refractometer that checks every human eye$

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$Optician doctor working with the refractometer machine. Eye exam for young woman at optical store. Consultation with an optometrist after testing.$

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Eye Vision Ophthalmology diagnostic with a modern machine. Futuristic Medical Examination

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$Eyes measured with refractometer at optician or ophthalmologist. Ophthalmologist measuring intraocular pressure of young woman in clinicogist measuring intraocular pressure of young woman in clinic$

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$work with ophthalmic refractometer$

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$Agricultural worker analyzing grape sugar content in vineyard using handheld refractometer. Preparation for grape harvest$

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$Vision test with refractometer by ophthalmologist close-up patient. Vision test crucial for eye health Vision test clinic using modern technology for eye care Emphasizing importance of eye health$

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$A scientist in a lab coat and gloves carefully uses a refractometer after drawing a sample with a pipette. The laboratory is filled with various equipment and liquids, indicating focused research$

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$Medium shot of a winemaker checking grape sugar content with a refractometer highlighting quality control during wine production in a professional setting.$

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$Cannonau grapes. The agronomist in the vineyard collects and squeezes the grapes on the refractometer to measure the sugar content. Traditional agriculture. Sardinia. 4k resolution.$

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$Quality Control Specialist Testing Soy Milk Density with Refractometer$

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$Man on vineyard with refractometer. Side view of elegant bearded man using refractometer standing on green vineyard and checking sugar of grapes$

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$Close up hands of woman doctor working with the refractometer machine.$

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$Doctor examining patient's eyes on modern device. Optometrist checks eyesight of a young woman with a refractometer in clinic.$

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$Hand of ophthalmologist control joystick of the optical refractometer machine for examing optic of eyes.$

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Grape must sampling for quality control: Winemaker extracting juice to measure Brix degrees in Mendoza.

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$Female eye doctor is examining eye of patient with modern medical apparatus. She is adjusting handle of auto refractometer and taking photo of pupil of eyes$

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$Agronomist measures the amount of sucrose in the grape juice using a refractometer.$

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$A woman undergoing an eye examination with an automatic refractometer in a clinic.$

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$Brewery worker using digital refractometer white testing beer during boiling process at plant$

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$Young confident patient sitting at refractometer looking back at equipment turning smiling. Satisfied Caucasian man posing in ophthalmological clinic indoors. Optometry concept$

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$Optician doctor working with the refractometer machine. Eye exam for man at optical store.$

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$refractometer lab equipment glyph icon animation$

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$Eyes measured with refractometer at optician or ophthalmologist. Ophthalmologist measuring intraocular pressure of young woman in clinicogist measuring intraocular pressure of young woman in clinic$

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$Vineyard worker checking sugar level of wine grapes by squeezing berry juice into refractometer. Grape quality inspection$

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$Woman doctor working with the refractometer machine. Close-up of ophthalmology technology$

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$Young boy having eye examination with auto refractometer$

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$Handheld optical refractometer rotation animation seamlessly loopable. 3D rendering isolated on transparent background$

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$Cannonau grapes. The agronomist in the vineyard collects and squeezes the grapes on the refractometer to measure the sugar content. Traditional agriculture. Sardinia. Slow motion.$

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Mans gaze through the panes of his vision glasses

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$Man on vineyard with refractometer$

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$Close up hands of woman doctor working with the refractometer machine.$

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$Close-up portrait of man during test on refractometer machine. Video from side. Eye exam for man at optical store.$

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$Ophthalmologist explaning about process of check eyesight with refractometer machine for eyes exam in eyeglass shop.$

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$Optician doctor working with the refractometer machine. Eye exam for patient. Having Eyes tested, close-up plan$

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$Close-up of display of auto refractometer in ophthalmological clinic. Examining of cornea and pupil for selection of contact lenses$

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$Agronomist measures the amount of sucrose in the grape juice using a refractometer.$

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$Cooking marshmallow base at small confectionery factory. Candy maker using handheld refractometer measuring percentage of sugar concentration in marshmallow mixture$

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$Optometrist using modern automatic refractometer to measure eye refraction of female patient during eye examination$

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4K Salinity Check in Fish Hatchery Tank – Aquaculture Worker Monitoring Water Quality for Sustainable Barramundi Fry Farming

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$Optician doctor working with the refractometer machine. Eye exam for man at optical store.$

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$refractometer lab equipment line icon animation$

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$Eyes measured with refractometer at optician or ophthalmologist. Ophthalmologist measuring intraocular pressure of young woman in clinicogist measuring intraocular pressure of young woman in clinic$

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$doctor diagnoses the patient's vision using ophthalmic refractometer$

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$Small winery worker measuring grape ripeness with refractometer in vineyard. Manual grape quality control process$

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$Woman doctor working with the refractometer machine. Close-up of ophthalmology technology$

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$Data from refractometer on display screen during check eyesight.$

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3d Render/Illustration of a clear acrylic intraocular lens used in cataract surgery

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$Cannonau grapes. The agronomist in the vineyard collects and squeezes the grapes on the refractometer to measure the sugar content. Traditional agriculture. Sardinia. 4k resolution.$

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A data screen showing progress of an eye examination.

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$Man on vineyard with special instrument. Side view of elegant bearded man using refractometer standing on green vineyard and checking sugar of grapes$

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$Close up of eye on the monitor the refractometer machine.$

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$Ophthalmology technology. Woman doctor working with a patient using refractometer machine. Modern device for testing eye vision.$

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$Optician doctor working with the refractometer machine. Eye exam for old man. Female ophthalmology specialist doing eye checkup. Ophthalmologist check eyesight of senior man with modern equipment.$

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$Farmer is using an alcohol refractometer to assess the ripeness of grapes in a vineyard, ensuring optimal harvest quality. The process highlights essential vineyard practices during harvest.$

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$A row of modern digital refractometers and diagnostic tools in an optical store, symbolizing technology, medical precision, and the innovative foundation of contemporary eyewear retail. cinematic$

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$Agronomist measures the amount of sucrose in the grape juice using a refractometer.$

00:11

$Agricultural research scientist using brix refractometer sweet test tool for testing sugar and sweetness level at melon farm field$

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$Close-up of hand of brewery worker holding digital refractometer into steel cylinder with beer$

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$Confectionery factory production candy maker using handheld refractometer measuring refractive index of marshmallow mixture$

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$Optician doctor working with the refractometer machine. Eye exam for young woman at optical store.$

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$refractometer lab equipment color icon animation$

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$Eyes measured with refractometer at optician or ophthalmologist. Ophthalmologist measuring intraocular pressure of young woman in clinicogist measuring intraocular pressure of young woman in clinic$

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$ophthalmic refractometer gives the results after the diagnostic$

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$Vineyard worker squeezing grape juice into handheld refractometer and checking sugar level in vineyard. Grape ripeness control before harvest$

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The doctor controls the optometrist's display using the scanned eye. diagnostic ophthalmological equipment. Concept of consultation and correction in an ophthalmology clinic.

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Ophthalmologist using ophthalmoscope to look into eyes of cute woman patient.

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$Old viticulturist squeezing grape juice onto a glass of light refractometer and looking through it in the vineyard.$

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$Cannonau grapes. The agronomist farmer in the vineyard collects and squeezes the grapes on the refractometer to measure the sugar content. Traditional agriculture in Sardinia. Footage, 4k resolution.$

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$Agronomist looks through the refractometer$

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$Man on vineyard with refractometer. Side view of elegant bearded man using refractometer standing on green vineyard and checking sugar of grapes$

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$Woman looking at refractometer eye test machine in ophthalmology.$

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$Modern medical device in ophthalmology office. Refractometer machine for eyesight examination. Doctor is checking the optical apparatus.$

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$Male optometrist in lab coat looking at screen of autorefractor during eye examination of female patient in clinic$

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$Modern refractometer at ophthalmologist cabinet in hospital. Ophthalmology diagnostic equipment for eye test. Ophthalmic professional apparatus for examination eyesight.$

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Woman optical shop customer doing eyesight measurement with optical phoropter check eye distance for eyeglasses is optical eye shop service.

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$Agronomist measures the amount of sucrose in the grape juice using a refractometer.$

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$Senior Asian agricultural research scientist using brix refractometer sweet test tool for testing sugar and sweetness level at melon farm field$

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Ophthalmologist makes a selection of lenses, diagnoses a elderly senior man's vision on a sign projector. The concept of testing and vision correction using new medical technologies.

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$Closeup tracking of mid adult grey-haired man having modern eye refraction test during routine eye examination$

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$Close-up portrait of woman during test of refractometer machine, side view. Eye exam for young woman at optical store.$

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$Refraction of Light Through Prism: Focused on Front Edge with Shallow Depth on White Background. Concept Light Refraction, Prism Photography, Single Glass Prism, Shallow Depth, White Background$

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$Eyes measured with refractometer at optician or ophthalmologist. Ophthalmologist measuring intraocular pressure of young woman in clinicogist measuring intraocular pressure of young woman in clinic$

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$ophthalmologist checks sight of patient with refractometer$

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304 ผลลัพธ์สำหรับ refractometer ใน วิดีโอ

**304 ผลลัพธ์สำหรับ refractometer ใน วิดีโอ**