Contact Lens & Anterior Eye
Volume 30, Issue 4 , Pages 215-222 , September 2007

Surface morphology of contact lenses probed with microscopy techniques

  • Vilém Guryča

      Affiliations

    • Institute of Macromolecular Chemistry, Academy of Sciences, Prague, Czech Republic
    • Centre for Cell Therapy and Tissue Repair, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic
  • ,
  • Radka Hobzová

      Affiliations

    • Institute of Macromolecular Chemistry, Academy of Sciences, Prague, Czech Republic
    • Centre for Cell Therapy and Tissue Repair, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic
  • ,
  • Martin Přádný

      Affiliations

    • Institute of Macromolecular Chemistry, Academy of Sciences, Prague, Czech Republic
    • Centre for Cell Therapy and Tissue Repair, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic
  • ,
  • Jakub Širc

      Affiliations

    • Institute of Macromolecular Chemistry, Academy of Sciences, Prague, Czech Republic
    • Department of Analytical Chemistry, Charles University, Prague, Czech Republic
  • ,
  • Jiří Michálek

      Affiliations

    • Institute of Macromolecular Chemistry, Academy of Sciences, Prague, Czech Republic
    • Centre for Cell Therapy and Tissue Repair, Charles University, 2nd Faculty of Medicine, Prague, Czech Republic
    • Corresponding Author InformationCorresponding author at: Institute of Macromolecular Chemistry, Academy of Sciences of the Czech Republic, Heyrovsky Sq. 2, 162 06 Prague 6, Czech Republic. Tel.: +420 296 809 270; fax: +420 296 809 410.

References 

  1. Tighe BJ. Soft lens materials. In:  Efron N editors. Contact lens practice. Oxford: Butterworth-Heinemann; 2002;p. 71–84
  2. Wichterle O, Lim D. Hydrophilic gels for biological use. Nature. 1960;185:117
  3. McMahon TT, Zadnik K. Twenty-five years of contact—the impact on the cornea and ophthalmic practice. Cornea. 2000;19:730–740
  4. Brennan NA, Coles MLC, Comstock TL, Levy B. A 1-year prospective balafilcon A (pure clinical trial of vision) silicone-hydrogel contact lenses used on a 30-day continuous wear schedule. Ophthalmology. 2002;109:1172–1177
  5. Fatt I. Prentice medal lecture – contact-lens wettability – myths, mysteries, and realities. Am J Optom Physiol Opt. 1984;61:419–430
  6. Ketelson HA, Meadows DL, Stone RP. Dynamic wettability properties of a soft contact lens hydrogel. Colloids Surf B. 2005;40:1–9
  7. Nguyen TH, Dudek LT, Krisciunas TC, Matiaco P, Planck SR, Mathers WD, et al. In vivo confocal microscopy—increased conjunctival or episcleral leukocyte adhesion in patients who wear contact lenses with lower oxygen permeability (D–k) values. Cornea. 2004;23:695–700
  8. Lopez-Alemany A, Compan V, Refojo MF. Porous structure of Purevision (TM) versus Focus (R) Night & Day (TM) and conventional hydrogel contact lenses. J Biomed Mater Res. 2002;63:319–325
  9. Nakatomi R, Hayashida T, Fujimoto K, Tohyama K, Hashikawa T. Cryo-SEM and subsequent TEM examinations of identical neural tissue specimen. Brain Res Protoc. 2005;14:100–106
  10. Oesterschulze E. Recent developments of probes for scanning probe microscopy. Adv Imag Elect Phys. 2001;118:129–206
  11. Baguet J, Sommer F, Duc TM. Imaging surfaces of hydrophilic contact-lenses with the atomic force microscope. Biomaterials. 1993;14:279–284
  12. Kim SH, Opdahl A, Marmo C, Somorjai GA. AFM and SFG studies of pHEMA-based hydrogel contact lens surfaces in saline solution: adhesion, friction, and the presence of non-crosslinked polymer chains at the surface. Biomaterials. 2002;23:1657–1666
  13. Koffas TS, Opdahl A, Marmo C, Somorjai GA. Effect of equilibrium bulk water content on the humidity-dependent surface mechanical properties of hydrophilic contact lenses studied by atomic force microscopy. Langmuir. 2003;19:3453–3460
  14. Opdahl A, Kim SH, Koffas TS, Marmo C, Somorjai GA. Surface mechanical properties of pHEMA contact lenses: viscoelastic and adhesive property changes on exposure to controlled humidity. J Biomed Mater Res Part A. 2003;67A:350–356
  15. Opdahl A, Koffas TS, Amitay-Sadovsky E, Kim J, Somorjai GA. Characterization of polymer surface structure and surface mechanical behaviour by sum frequency generation surface vibrational spectroscopy and atomic force microscopy. J Phys-Condens Mat. 2004;16:R659–R677
  16. Kim SH, Marmo C, Somorjai GA. Friction studies of hydrogel contact lenses using AFM: non-crosslinked polymers of low friction at the surface. Biomaterials. 2001;22:3285–3294
  17. Gonzáles-Méijome JM, López-Alemany A, Almeida JB, Parafita MA, Refojo MF. Microscopic observation of unknown siloxane-hydrogel soft contact lenses by atomic force microscopy. J Biomed Mater Res Part B: Appl Biomater. 2006;76B:412–418
  18. Baguet J, Sommer F, Claudoneyl V, Duc TM. Characterization of lacrymal component accumulation on worn soft contact-lens surfaces by atomic-force microscopy. Biomaterials. 1995;16:3–9
  19. Rebeix V, Sommer F, Marchin B, Baude D, Duc TM. Artificial tear adsorption on soft contact lenses: methods to test surfactant efficacy. Biomaterials. 2000;21:1197–1205
  20. Meagher L, Griesser HJ. Interactions between adsorbed lactoferrin layers measured directly with the atomic force microscope. Colloids Surf B. 2002;23:125–140
  21. Bruinsma GM, van der Mei HC, Busscher HJ. Bacterial adhesion to surface hydrophilic and hydrophobic contact lenses. Biomaterials. 2001;22:3217–3224
  22. Bruinsma GM, Rustema-Abbing M, van der Mei HC, Busscher HJ. Effects of cell surface damage on surface properties and adhesion of Pseudomonas aeruginosa. J Microbiol Meth. 2001;45:95–101
  23. NanoScope command reference manual, version 4.31; 1997.
  24. Schenk O, Urai JL, Piazolo S. Structure of grain boundaries in wet, synthetic polycrystalline, statically recrystallizing halite—evidence from cryo-SEM observations. Geofluids. 2006;6:93–104
  25. Castillo EJ, Koenig JL, Andersen JM, Lo J. Characterization of protein adsorption on soft contact-lenses. 1. Conformational-changes of adsorbed human-serum albumin. Biomaterials. 1984;5:319–325
  26. Bruinsma GM, Rustema-Abbing M, de Vries J, Stegenga B, van der Mei HC, van der Linden ML, et al. Influence of wear and overwear on surface properties of Etafilcon A contact lenses and adhesion of Pseudomonas aeruginosa. Invest Ophth Vis Sci. 2002;43:3646–3653
  27. Brennan NA, Coles MLC. Deposits and symptomatology with soft contact lens wear. Int Contact Lens Clin. 2000;27:75

PII: S1367-0484(07)00034-3

doi: 10.1016/j.clae.2007.02.010

Contact Lens & Anterior Eye
Volume 30, Issue 4 , Pages 215-222 , September 2007