Many forms of radiant energy are being used in this country and abroad for the treatment of diseases of the eye, with varying and sometimes controversial results. Among them are grenz rays, which have been used for the past ten years in Europe with reported success. Already an extensive literature has appeared on the subject. This form of therapy was adopted by me after first hand observation of its technic and results, and a report of my experience follows, together with a brief discussion of the physics and the biologic and clinical effects of grenz rays.
PHYSICS AND BIOLOGIC EFFECT
Grenz rays are effective, though not very penetrating, rays which are absorbed in the superficial tissues. They are sometimes called Bucky rays, after Bucky, who established their value as a therapeutic agent. They are electromagnetic oscillations of about 2 angstrom units which produce characteristic clinical and biologic manifestations. Their position
PFEIFFER RL. TREATMENT OF DISEASES OF THE EYE WITH GRENZ RAYS. Arch Ophthalmol. 1939;21(6):976–986. doi:10.1001/archopht.1939.00860060086004
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