Man png mockup applying smart contact lens biometric technology https://www.rawpixel.com/image/2790047/free-illustration-png-futuristic-man-contact-lens-businessView licenseU.S. Navy optometrist Lt. Cmdr. Randy Birt (left) uses an ophthalmoscope to check the retina of a Tongan woman at a medical… https://www.rawpixel.com/image/8742498/photo-image-public-domain-woman-personFree Image from public domain license