Abstract The role of the venous pressure in the maintenance of intraocular pressure has been the subject of many reports. Duke-Elder5,6 determined venous pressure in the Circle of Hovius of dogs, by the micropipette technique, and found a close parallelism between it and the intraocular pressure. In man, Linner found the episcleral venous pressure to be relatively constant in normal and glaucomatous eyes and apparently unrelated to intraocular pressure.11,12,13 Some authors have reported, however, that this pressure can vary, such as with diurnal variations on intraocular pressure and pilocarpine administration.1,3,4,17,18 Linner14 reports that the pressure is unchanged after acetazolamide (Diamox) administration. The venous outflow systems of man, dog, and cat differ in one important aspect. In man there are no substantial communications of the anterior ciliary venous circulation with that of the vortex bed, while in the other two species such communications exist. Data on the effects References 1. Bain, W. E. S.: Variations in the Episcleral Venous Pressure in Relation to Glaucoma , Brit. J. Ophth. 38:129-135, 1954.Crossref 2. Becker, B.: Diamox and the Therapy of Glaucoma , Am. J. Ophth. 38:109-111, 1954. 3. Dobree, J. H.: Vascular Changes That Occur During the Phasic Variations of Tension in Chronic Glaucoma , Brit. J. Ophth. 37:293-300, 1953.Crossref 4. Dobree, J. H.: Effect of Raised Ocular Tension on the Episcleral Vessels: Development of Caput Medusae in Primary Glaucoma , Brit. J. Ophth. 38:500-506, 1954.Crossref 5. Duke-Elder, S.: The Venous Pressure of the Eye and Its Relation to the Intraocular Pressure , J. Physiol. 61:409-418, 1926. 6. Duke-Elder, S.: The Ocular Circulation: Its Normal Pressure Relationships and Their Physiological Significance , Brit. J. Ophth. 10:513-572, 1926.Crossref 7. Duke-Elder, S.: The Phasic Variations in the Ocular Tension in Primary Glaucoma: Sixth Proctor Lecture , Am. J. Ophth. 35:1-21, 1952. 8. Gloster, J., and Perkins, E. S.: Effect of a Carbonic Anhydrase Inhibitor (Diamox) on the Intra-Ocular Pressure of Rabbits and Cats , Brit. J. Ophth. 39:647-658, 1955.Crossref 9. Grant, W. M., and Trotter, R. R.: Diamox (Acetazoleamide) in Treatment of Glaucoma , A.M.A. Arch. Ophth. 51:735-739, 1954.Crossref 10. Langham, M.: Aqueous Humor and Control of Intraocular Pressure , Physiol. Rev. 38:215-242, 1958. 11. Linner, E.; Rickenback, C., and Werner, H.: Comparative Measurements of Pressure in Aqueous Veins and Conjunctival Veins Using Different Methods , Acta ophth. 28:469-479, 1950.Crossref 12. Linner, E.: Episcleral Venous Pressure During Tonography , Acta XVII Conc. Ophth. 3:1532, 1954. 13. Linner, E.: The Outflow Pressure in Normal and Glaucomatous Eyes , Acta ophth. 33:101-116, 1955.Crossref 14. Linner, E.: Further Studies of the Episcleral Venous Pressure in Glaucoma , Am. J. Ophth. 41:646-650, 1956. 15. Macri, F. J.; Wanko, T.; Grimes, P. A., and von Sallmann, L.: The Elasticity of the Eye , A.M.A. Arch. Ophth. 58:513-519, 1957.Crossref 16. Macri, F. J.: Outflow Patterns of the Cat Eye , Am. J. Ophth. 47:547-552 (Jan., (Pt. 2) ) 1959. 17. Thomassen, T. L.: The Venous Tension in Eyes Suffering from Simple Glaucoma , Acta ophth. 25:221-241, 1947.Crossref 18. Thomassen, T. L.: The Venous Pressure in Glaucomatous Eyes , Tr. Ophth. Soc. U. Kingdom 68:75-87, 1948. 19. Wistrand, P.: Local Action of the Carbonic Anhydrase Inhibitor, Acetazoleamide, on the Intraocular Pressure in Cats , Acta pharmacol. et toxicol. 14:27-37, 1957.Crossref
A.M.A. Archives of Ophthalmology – American Medical Association
Published: Jun 1, 1960
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