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hardofhearing, hearingloss, hearingimpairment, deaf, unabletohear, “printsandphotographs”, pp, nationallibraryofmedicine, nlm, imagesfromthehistoryofmedicine, ihm, historyofmedicinedivision, hmd, “nationalinstitutesofhealth”, nih, stillimage, laurabridgman, portrait, glasses, eyeglasses, pocketmoney, hearingaids, eardrum, ear, hardofharing, deafness, hearingaide, spectacle, “readingglasses”, “polishinglenses”, lenses, “eyeexamination”, ophthalmology, vision, ocular, view, perception, seeing, monocle, eye, “visualreceptor”, optic, “convexlenses”, “concavelenses”, “refraction, “transmissionofimages”, optical, “humaneye”, eyewear, publicdomain, archivesofmedicine, nlmdigitalcollection, caecitās
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