Micro-scale stiffness change of cornea tissues suffered from elevated intraocular pressure investigated by nanoindentation

Soft Materials

Volumn 11, Issue 3, 2013, Pages 244-253

  Wu, K S ^a   Li, S Y ^a   Lo, A C Y ^a   Ngan, A H W ^a   Wong, D S H ^a   So, K F ^a,b   Ellis Behnke, R G ^a,c,d   Tang, B ^a,e  

^a UNIVERSITY OF HONG KONG   (Hong Kong)

^b JINAN UNIVERSITY   (China)

^c MEDICAL FACULTY MANNHEIM HEIDELBERG UNIVERSITY   (Germany)

^d MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

^e SOUTHERN UNIVERSITY OF SCIENCE AND TECHNOLOGY   (China)

Author keywords

Cornea; Glaucoma; Nanoindentation

Indexed keywords

COLLAGEN FIBRILS; CORNEA; EYE BALLS; GLAUCOMA; INTRA OCULAR PRESSURE; MICRO-SCALES; NORMAL STATE; RISK FACTORS; SCANNING ELECTRONS; SPRAGUE-DAWLEY RATS; STIFFNESS CHANGES;

COLLAGEN; ELASTIC MODULI; OPHTHALMOLOGY; SCANNING ELECTRON MICROSCOPY; TISSUE;

NANOINDENTATION;

EID: 84874435444     PISSN: 1539445X     EISSN: 15394468     Source Type: Journal    
DOI: 10.1080/1539445X.2011.622030     Document Type: Article

References (31)

1. Toker, M.I., Vural, A., Erdogan, H., Topalkara, A., and, Arici, M.K. 2008. Central corneal thickness and Diaton transpalpebral tonometry. Graefe's Arch. Clin. Exp. Ophthalmol., 246 (6): 881-889.
2. Liu, J., and, Roberts, C.J. 2005. Influence of corneal biomechanical properties on intraocular pressure measurement-Quantitative analysis. J. Cataract Refract. Surg., 31 (1): 146-155.
3. Johnson, C.S., Mian, S.I., Moroi, S., Epstein, D., Izatt, J., and, Afshari, N.A. 2007. Role of corneal elasticity in damping of intraocular pressure. Investigat. Ophthalmol. Visual Sci., 48 (6): 2540-2544.
4. Alvarez, T.L., Gollance, S.A., Thomas, G.A., Greene, R.J., Marchetto, P.M., Moore, E.J., Realini, T., Liebmann, J.M., Ritch, R., Lama, P., and, Fechtner, R.D. 2004. The proview phosphene tonometer fails to measure ocular pressure accurately in clinical practice. Ophthalmology., 111 (6): 1077-1085.
5. Brown, K.E., and, Congdon, N.G. 2006. Corneal structure and biomechanics: impact on the diagnosis and management of glaucoma. Curr. Opin. Ophthalmol., 17 (4): 338-343.
6. Streho, M., Dariel, R., Giraud, J.M., Verret, C., Fenolland, J.R., Crochelet, O., May, F., Maurin, J.F., and, Renard, J.P. 2008. Evaluation of the Ocular Response Analyzer in ocular hypertension, glaucoma, and normal populations. Prospective study on 329 eyes. J. Francais D Ophtalmol., 31 (10): 953-960.
7. Martinez-de-la-Casa, J.M., Garcia-Feijoo, J., Fernandez-Vidal, A., Mendez-Hernandez, C., and, Garcia-Sanchez, J. 2006. Ocular response analyzer versus Goldmann applanation tonometry for intraocular pressure measurements. Investigat. Ophthalmol. Visual Sci., 47 (10): 4410-4414.
8. Kotecha, A. 2007. What biomechanical properties of the cornea are relevant for the clinician?. Surv. Ophthalmol., 52: S109-S114.
9. Elsheikh, A., Wang, D.F., and, Pye, D. 2007. Determination of the modulus of elasticity of the human cornea. J. Refract. Surg., 23 (8): 808-818.
10. Mangouritsas, G., Morphis, G., Mourtzoukos, S., and, Feretis, E. 2009. Association between corneal hysteresis and central corneal thickness in glaucomatous and non-glaucomatous eyes. Acta Ophthalmol., 87 (8): 901-905.
11. He, X.Y., Liu, J., and, IEE, E. 2006. Measurements of ocular properties in response to intraocular pressure changes using an ultrasonic system. 2006 28th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 1-15: 3026-3029.
12. Glass, D.H., Roberts, C.J., Litsky, A.S., and, Weber, P.A. 2008. A viscoelastic biomechanical model of the cornea describing the effect of viscosity and elasticity on hysteresis. Investig. Ophthalmol. Visual Sci., 49 (9): 3919-3926.
13. Nguyen, T.D., Jones, R.E., and, Boyce, B.L. 2008. A nonlinear anisotropic viscoelastic model for the tensile behavior of the corneal stroma. J. Biomech. Eng.-Trans. ASME., 130(4)
14. Last, J.A., Liliensiek, S.J., Nealey, P.F., and, Murphy, C.J. 2009. Determining the mechanical properties of human corneal basement membranes with atomic force microscopy. J. Structural Biol., 167 (1): 19-24.
15. Boyce, B.L., Grazier, J.M., Jones, R.E., and, Nguyen, T.D. 2008. Full-field deformation of bovine cornea under constrained inflation conditions. Biomaterials., 29 (28): 3896-3904.
16. Ang, G.S., Bochmann, F., Townend, J., and, Azuara-Blanco, A. 2008. Corneal biomechanical properties in primary open angle glaucoma and normal tension glaucoma. J. Glaucoma., 17 (4): 259-262.
17. Pierscionek, K., Asejczyk-Widlicka, M., and, Schachar, R.A. 2007. The effect of changing intraocular pressure on the corneal and scleral curvatures in the fresh porcine eye. Brit. J. Ophthalmol., 91 (6): 801-803.
18. Oliver, W.C., and, Pharr, G.M. 1992. An improved technique for determining hardness and elastic modulus using load and displacement sensing indentation experiments. J. Mater. Res., 7 (6): 1564-1583.
19. Wan, L.Q., Jiang, J., Arnold, D.E., Guo, X.E., Lu, H.H., and, Mow, V.C. 2008. Calcium concentration effects on the mechanical and biochemical properties of chondrocyte-alginate constructs. Cell. Mol. Bioeng., 1 (1): 93-102.
20. Tang, B., Ngan, A.H.W., and, Lu, W.W. 2007. An improved method for the measurement of mechanical properties of bone by nanoindentation. J. Mater. Sci.-Mater. Med., 18 (9): 1875-1881.
21. Tang, B., and, Ngan, A.H.W. 2003. Accurate measurement of tip-sample contact size during nanoindentation of viscoelastic materials. J. Mater. Res., 18 (5): 1141-1148.
22. Ngan, A.H.W., and, Tang, B. 2009. Response of power-law-viscoelastic and time-dependent materials to rate jumps. J. Mater. Res., 24 (3): 853-862.
23. Guidoni, G., Swain, M., and, Jager, I. 2010. Nanoindentation of wet and dry compact bone: Influence of environment and indenter tip geometry on the indentation modulus. Philosoph. Mag., 90 (5): 553-565.
24. Chaudhry, B., Ashton, H., Muhamed, A., Yost, M., Bull, S., and, Frankel, D. 2009. Nanoscale viscoelastic properties of an aligned collagen scaffold. J. Mater. Sci.-Mater.Med., 20 (1): 257-263.
25. Feng, G., and, Ngan, A.H.W. 2002. Effects of creep and thermal drift on modulus measurement using depth-sensing indentation. J. Mater.Res., 17 (3): 660-668.
26. Tang, B., and, Ngan, A.H.W. 2007. Nanoindentation measurement of mechanical properties of soft solid covered by a thin liquid film. Soft Mater., 5 (4): 169-181.
27. Hjortdal, J.O. 1996. Regional elastic performance of the human cornea. J.Biomech., 29 (7): 931-942.
28. Tanter, M., Touboul, D., Gennisson, J.L., Bercoff, J., and, Fink, M. 2009. High-Resolution Quantitative Imaging of Cornea Elasticity Using Supersonic Shear Imaging. IEEE Trans. Med.Imag., 28 (12): 1881-1893.
29. Meek, K.M., Tuft, S.J., Huang, Y.F., Gill, P.S., Hayes, S., Newton, R.H., and, Bron, A.J. 2005. Changes in collagen orientation and distribution in keratoconus corneas. Investig. Ophthalmol.Visual Sci., 46 (6): 1948-1956.
30. Aghamohammadzadeh, H., Newton, R.H., and, Meek, K.M. 2004. X-ray scattering used to map the preferred collagen orientation in the human cornea and limbus. Structure., 12 (2): 249-256.
31. Gindl, W., and, Keckes, J. 2006. Strain hardening in regenerated cellulose fibres. Compos. Sci. Technol., 66 (13): 2049-2053.