Page:Library of Congress Classification Outline.djvu/256

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Subclass RE

RE1-994 Ophthalmology
RE75-79 Examination. Diagnosis
RE80-87 Eye surgery
RE88 Ophthalmic nursing
RE89 Eye banks
RE91-912 Particular diseases of the eye
RE918-921 Color vision tests, charts, etc.
RE925-939 Refraction and errors of refraction and accommodation
RE939.2-981 Optometry. Opticians. Eyeglasses
RE986-988 Artificial eyes and other prostheses
RE991-992 Ocular therapeutics