Doctor scientist looking through a microscope. Scientific experiment, hypothesis. - Stock Photo & Image

Microbiologist is studying the rovud-19 virus. Search for a cure and vaccine for the pandemic

Female doctor studying medical tests in microscope in a laboratory.

Microbiologist is studying the rovud-19 virus. Search for a cure and vaccine for the pandemic

Health care, medicine, people, eyesight and technology concept - optometrist with non contact tonometer checking patient intraocular pressure at eye clinic or optics store

Health care, medicine, people, eyesight and technology concept - close up of optometrist with slit lamp checking patient vision at eye clinic or optics store

Doctor girlfriend examines eyes child. Hospital, medical examination, diagnosis.

Boy and equipment for vision tests in hospital.

Doctor girlfriend examines eyes child. Hospital, medical examination, diagnosis.

Patient is holding glasses for vision. Vision tests at hospital. focus on glasses

Patient man checks his vision. Hospital, medical examination.

Patient is holding glasses for vision. Vision tests at hospital. focus on glasses

Patient is holding glasses for vision. Vision tests at hospital. focus on glasses

ENT doctor is a woman smiles for the patient. Medical examination

ENT doctor is a woman smiles for the patient. Medical examination