OPHTHALMIC CONDITIONS REFERABLE TO DISEASES OF THE PARANASAL SINUSES

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Abstract
FROM a rhinologic point of view I wish to mention first the following observations made in cases of retrobulbar neuritis. When apparently secondary to rhinitis, the central blindness, unilateral, is often first observed by the patient in the morning on awakening; hypothetically, it follows an inflammatory change which has occurred in the optic nerve during the night while the patient was in a recumbent position. On rhinologic examination, and even on surgical opening, the ethmoid and sphenoid sinuses appear to be normal. In these cases in which examination yields apparently negative results, vision frequently returns one or two days after the opening of the sphenoid sinus and the posterior ethmoid cells on the side of the optic lesion, even though no gross pathologic change was evident. However, in the past fifteen years I1 have observed that the injection of 27 per cent iodized oil ("iodochlorol" [peanut oil with iodine and

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