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Visual pathway. Human brain and eyes, optic nerves, and visual cortex. Medical diagram
Eyeglasses lens production industry, close-up eyeglasses lenses, Glasses lenses, eyeglass lenses, eyeglasses store business concept, healthy eye care
Fiber optic cables are connected to the switch interfaces. High speed concept
A striking optical illusion depicts an abstract torus or ring shape created by alternating black and white concentric stripes that curve and twist in space.
Choice, portrait or woman with glasses at store for optometry, eyewear or shopping. Female person, frames and checking spectacles at retail for sight, vision or decision at optician or optometrist

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