Effect of fixation pressure on juxtacanalicular tissue and Schlemm's canal

Investigative Ophthalmology and Visual Science

Volumn 37, Issue 1, 1996, Pages 114-124

  Ten Hulzen, Richard D ^a   Johnson, Douglas H ^a  

^a MAYO CLINIC   (United States)

Author keywords

electron microscopy; image analysis; morphometry; porous media; Schlemm's canal; trabecular meshwork

Indexed keywords

ADULT; AGED; ANTERIOR EYE CHAMBER; ARTICLE; ELECTRON MICROSCOPY; FEMALE; HUMAN; HUMAN TISSUE; IMAGE ANALYSIS; INTRAOCULAR PRESSURE; MALE; MORPHOMETRICS; NORMAL HUMAN; PERFUSION PRESSURE; PRIORITY JOURNAL; SCHLEMM CANAL; TISSUE FIXATION; TRABECULAR MESHWORK;

AGED; AGED, 80 AND OVER; ANTERIOR CHAMBER; AQUEOUS HUMOR; BIOPSY; CORNEA; FEMALE; FIXATIVES; HUMANS; IMAGE PROCESSING, COMPUTER-ASSISTED; IMMERSION; MALE; PRESSURE; SCLERA; TISSUE FIXATION; TRABECULAR MESHWORK;

EID: 0030058162     PISSN: 01460404     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (44)

1. Johnstone MA, Grant WM. Pressure-dependent changes in structures of the aqueous outflow system of human and monkey eyes. Am J Ophthalmol. 1973;75:365-383.
2. Grierson I, Lee WR. Changes in the monkey outflow apparatus at graded levels of intraocular pressure: A qualitative analysis by light microscopy and scanning electron microscopy. Exp Eye Res. 1974;19:21-33.
3. Grierson I, Lee WR. The fine structure of the trabecular meshwork at graded levels of intraocular pressure: 1: Pressure effects within the near-physiological range (8-30 mmHg). Exp Eye Res. 1975;20:505-521.
4. Grierson I, Lee WR. The fine structure of the trabecular meshwork at graded levels of intraocular pressure: 2: Pressures outside the physiological range (0 and 50 mmHg). Exp Eye Res. 1975;20:523-530.
5. Grierson I, Lee WR. Pressure-induced changes in the ultrastructure of the endothelium lining Schlemm's canal. Am J Ophthalmol. 1975;80:863-884.
6. Grierson I, Lee WR. Light microscopic quantitation of the endothelial vacuoles in Schlemm's canal. Am J Ophthalmol. 1977;84:234-246.
7. Ainsworth JR, Lee WR. Effects of age and rapid high-pressure fixation on the morphology of Schlemm's canal. Invest Ophthalmol Vis Sci. 1990;31;745-750.
8. Grierson I, Lee WR, Moseley H, Abraham S. The trabecular wall of Schlemm's canal: A study of the effects of pilocarpine by scanning electron microscopy. Br J Ophthalmol. 1979;63:9-16.
9. McMenamin PG, Lee WR. Age related changes in extracellular materials in the inner wall of Schlemm's canal. Graefe's Arch Clin Exp Ophthalmol. 1980;212:159-172.
10. McMenamin PG, Lee WR, Grierson I, Grindle FCJ. Giant vacuoles in the lining endothelium of the human Schlemm's canal after topical timolol maleate. Invest Ophthalmol Vis Sci. 1983;24:339-342.
11. Grierson I, Howes RC, Wang Q. Age-related changes in the canal of Schlemm. Exp Eye Res. 1984;39:505-512.
12. McMenamin PG, Lee WR, Aitken DAN. Age-related changes in the human outflow apparatus. Ophthalmology. 1986;93:194-209.
13. Lutjen-Drecoll E, Kaufman PL, Eichhorn M. Long-term timolol and epinephrine in monkeys: I: Functional morphology of the ciliary processes. Trans Ophthalmol Soc UK. 1986;105:180-195.
14. Lütjen-Drecoll E, Kaufman PL. Biomechanics of echothiophate-induced anatomic changes in monkey aqueous outflow system. Graefe's Arch Clin Exp Ophthalmol. 1986;224:564-575.
15. Alvarado J, Murphy C, Polansky J, Juster R. Age-related changes in trabecular meshwork cellularity. Invest Ophthalmol Vis Sci. 1981;21:714-727.
16. Alvarado J, Murphy C, Juster R. Trabecular meshwork cellularity in primary open-angle glaucoma and non-glaucomatous normals. Ophthalmology. 1984;91:564-579.
17. Rodrigues MM, Spaeth GL, Sivalingam E, Weinreb S. Histopathology of 150 trabeculectomy specimens in glaucoma. Trans Ophthalmol Soc UK. 1976;96:245-255.
18. Alvarado JA, Yun AJ, Murphy CG. Juxtacanalicular tissue in primary open angle glaucoma and in nonglaucomatous normals. Arch Ophthalmol. 1986;104:1517-1528.
19. Murphy CG, Johnson M, Alvarado JA. Juxtacanalicular tissue in pigmentary and primary open angle glaucoma: The hydrodynamic role of pigment and other constituents. Arch Ophthalmol. 1992;110:1779-1785.
20. Alvarado JA, Murphy CG. Outflow obstruction in pigmentary and primary open angle glaucoma. Arch Ophthalmol 1992;110:1769-1778.
21. Buller CR, Johnson DH. Segmental variability of the trabecular meshwork in normal and glaucomatous eyes. Invest Ophthalmol Vis Sci. 1994;35:3841-3851.
22. Grant WM. Facility of flow through the trabecular meshwork. Arch Ophthalmol. 1955;54:245-248.
23. Lütjen-Drecoll E. Structural factors influencing outflow facility and its changeability under drugs: A study in Macaca arctoides. Invest Ophthalmol. 1973;12:280-294.
24. Rohen JW. Why is intraocular pressure elevated in chronic simple glaucoma? Anatomical considerations. Ophthalmology. 1983;90:758-765.
25. Ethier CR, Kamm RD, Palaszewski BA, Johnson MC, Richardson TM. Calculations of flow resistance in the Juxtacanalicular meshwork. Invest Ophthalmol Vis Sci. 1986;27:1741-1750.
26. Levick JR. Flow through interstitium and other fibrous matrices. Quart J Exp Physiol. 1987;72:403-438.
27. Svedbergh B. Effects of artificial intraocular pressure elevation on the outflow facility and the ultrastructure of the chamber angle in the vervet monkey (Cercopithecus ethiops). Acta Ophthalmol. 1974;52:829-845.
28. Johnson MC, Kamm RD. The role of Schlemm's canal in aqueous outflow from the human eye. Invest Ophthalmol Vis Sci. 1983;24:320-325.
29. Lütjen-Drecoll E, Shimizu T, Rohrbach M, Rohen JW. Quantitative analysis of 'plaque material' in the inner and outer wall of Schlemm's canal in normal and glaucomatous eyes. Exp Eye Res. 1986;42:443-455.
30. Rohen JW, Lütjen-Drecoll E, Flügel C, Meyer M, Grierson I. Ultrastructure of the trabecular meshwork in untreated cases of primary open-angle glaucoma (POAG). Exp Eye Res. 1993;56:683-692.
31. Leydhecker W, Akiyama K, Neumann HG. Der intraokulare Druck gesunder menschlicher Augen. Klin Monatsbl Augenheilkd. 1958;133:662-670. In German.
32. Phelps CD, Armaly MF. Measurement of episcleral venous pressure. Am J Ophthalmol. 1978;85:35-42.
33. Mäepea O, Bill A. The pressures in the episcleral veins, Schlemm's canal and the trabecular meshwork in monkeys: Effects of changes in intraocular pressure. Exp Eye Res. 1989;49:645-663.
34. Barany EH. In vitro studies on the resistance to flow through the chamber angle. Acta Soc Med Upsal. 1953;59:260-276.
35. Johnson M, Gong H, Freddo TF, Ritter N, Kamm R. Serum proteins and aqueous outflow resistance in bovine eyes. Invest Ophthalmol Vis Sci. 1993;34:3549-3557.
36. Johnson M, Shapiro A, Ethier CR, Kamm RD. Modulation of outflow resistance by the pores of the inner was endothelium. Invest Ophthalmol Vis Sci. 1992;33:1670-1675.
37. Tripathi RC. Mechanism of the aqueous outflow across the trabecular wall of Schlemm's canal. Exp Eye Res. 1971;11:116-121.
38. Epstein DL, Rohen JW. Morphology of the trabecular meshwork and inner-wall endothelium after cationized ferritin perfusion in the monkey eye. Invest Ophthalmol Vis Sci. 1991;32:160-171.
39. Grant WM. Symposium: Microsurgery of the outflow channels. Lab Res Trans. Am Acad Ophthalmol Otoloaryngol. 1972;76:398-404.
40. Ellingson BA, Grant WM. Trabeculotomy and sinusotomy in enucleated human eyes. Invest Ophthalmol. 1972;11:21-28.
41. Rosenquist R, Epstein D, Melamed S, Johnson M, Grant WM. Outflow resistance of enucleated human eyes at two different perfusion pressures and different extents of trabeculotomy. Curr Eye Res. 1989;12:1233-1240.
42. Jocson VL, Grant WM. Interconnections of blood vessels and aqueous vessels in human eyes. Arch Ophthalmol. 1965;73:707-720.
43. Allingham RR, de Kater AW, Ethier CR. Morphometric analysis of Schlemm's canal in normal and glaucomatous human eyes. ARVO Abstracts. Invest Ophthalmol Vis Sci. 1991;32:788.
44. Miyazaki M, Segawa K, Urakawa Y. Age-related changes in the trabecular meshwork of the normal human eye. Jpn J Ophthalmol. 1987;31:558-569.