Ключевые слова: acuity, balanced, closeup, concept, conceptual, consumable, contact, convex, cornea, corrective, doctor, examination, eye, eyes, eyesight, face, female, finger, fingertip, health, healthcare, healthy, insert, iris, lens, macro, medical, medicine, ophthalmology, optic, optical, optometry, patient, people, placement, plastic, prescription, see, selective focus, tinted, vision, white, woman,