The student's guide to diseases of the eye . Fig. 47.—Vessels in inter-stitial keratitis. DISEASES OF THE CORNEA 107. Fig. 48.—Marginal vas-cular keratitis. I believe that some of the patients are at the sametime strumous. A similar disease, ending in loss ofthe eye, sometimes from glaucoma, occurs now andthen in elderly people.—Inextreme cases of either typeof vascular keratitis the ves-sels cover the whole cornea,except a small central is-land. The degree of congestionand the subjective symptomsin syphilitic keratitis varyvery much ; as a general rulethere is but moderate photo-phobia and pa
The student's guide to diseases of the eye . Fig. 47.—Vessels in inter-stitial keratitis. DISEASES OF THE CORNEA 107. Fig. 48.—Marginal vas-cular keratitis. I believe that some of the patients are at the sametime strumous. A similar disease, ending in loss ofthe eye, sometimes from glaucoma, occurs now andthen in elderly people.—Inextreme cases of either typeof vascular keratitis the ves-sels cover the whole cornea,except a small central is-land. The degree of congestionand the subjective symptomsin syphilitic keratitis varyvery much ; as a general rulethere is but moderate photo-phobia and pain, but whenthe ciliary congestion is greatthese symptoms are some-times very severe and protracted. The attack can be shortened and its severitylessened by treatment; but the disease is alwaysslow, and from six to twelve months may be takenas a fair average for its duration from beginning toend. Very bad cases with excessively dense opacitysometimes continue to improve for several years, andreach a very unexpected degree of sight. Perfectrecovery of transparency is less common, even inmoderate cases, than i
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