Chandler 1 recently presented clinical evidence showing: (1) that eyes with a normal disk can tolerate a moderately high tension over a period of many years without loss of function; (2) that eyes with limited cupping, confined to one pole of the disk, appear to withstand increased tension considerably better than eyes with total cupping of the disk; (3) that eyes with advanced glaucoma, in which there is marked cupping of the disk and considerable field loss, withstand increased tension poorly and require a tension below the normal average to prevent further loss of function; (4) that in cases of pseudoglaucoma an operation which is successful in lowering the tension from a normal to a subnormal level may check the loss of function. Chandler concludes that the ophthalmoscopic appearance of the optic disk may serve as an important guide in the management of glaucoma, since a certain level of tension
VILLASECA A. The Impact of Intraocular Pressure on the Glaucomatous Disk: A Theoretical Study Based on Hydrostatic Principles. Arch Ophthalmol. 1962;67(6):769–772. doi:10.1001/archopht.1962.00960020769012
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