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Structural and Mechanical Mechanisms of Ocular Tissues Probed by AFM

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Scanning Probe Microscopy in Nanoscience and Nanotechnology

Part of the book series: NanoScience and Technology ((NANO))

Summary

In recent years, the atomic force microscope (AFM) has become an important tool in ophthalmic research. It has gained popularity largely because AFM is not restricted by the diffraction limits of light microscopy and can be applied to resolve images with molecular resolution. AFM is a minimally invasive technique and can be used to visualize molecular structures under near-physiological conditions. In addition, the AFM can be employed as a force apparatus to characterize the viscoelastic properties of biomaterials on the micron level and at the level of individual proteins. In this article, we summarize recent AFM studies of ocular tissues, while highlighting the great potential of AFM technology in ophthalmic research. Previous research demonstrates the versatility of the AFM as high resolution imaging technique and as a sensitive force apparatus for probing the mechanical properties of ocular tissues. The structural and mechanical properties of ocular tissues are of major importance to the understanding of the optomechanical functions of the human eye. In addition, AFM has played an important role in the development and characterization of ocular biomaterials, such as contact lenses and intraocular lenses. Studying ocular tissues using Atomic Force Microscopy has enabled several advances in ophthalmic research.

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Acknowledgements

The authors thank Jean-Marie Parel, Ph.D., and Fabrice Manns, Ph.D., of the Ophthalmic Biophysics Center of Bascom Palmer Eye Institute, for providing their expertise in preparation of this chapter. The authors also thank the following support: NSF MRI 0722372; University of Miami SAC Award; NIH EY14225; NSF Graduate Student Fellowship (NMZ); Rakhi Jain, Ph.D., AMO, CA; Florida Lions Eye Bank; Vision Cooperative Research Centre, Sydney, New South Wales, Australia, supported by the Australian Federal Government through the Cooperative Research Centres Programme; NIH center grant P30-EY014801; Research to Prevent Blindness.

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  1. Department of Biomedical Engineering, University of Miami College of Engineering, 1251 Memorial Drive, McArthur Annex Room 209, Coral Gables, FL, 33146, USA

    Noël M. Ziebarth

  2. Department of Physiology and Biophysics, University of Miami Miller School of Medicine, 1638 NW 10th Avenue, Room 117A, Miami, FL, 33136, USA

    Felix Rico

  3. Department of Physiology and Biophysics, University of Miami, 1600 NW 12th Ave. RMSB 5077, Miami, FL, 33136, USA

    Vincent T. Moy

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    Bharat Bhushan

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Ziebarth, N.M., Rico, F., Moy, V.T. (2010). Structural and Mechanical Mechanisms of Ocular Tissues Probed by AFM. In: Bhushan, B. (eds) Scanning Probe Microscopy in Nanoscience and Nanotechnology. NanoScience and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-03535-7_11

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