The purpose of this study was to utilize controllable fiber-drawing techniques in order to fabricate glass microcone arrays for use in office-based optical surgery instruments. The cone spacing is controlled via the drawing process while an etching process controls the cone height-to-base ratio. The device viability was tested by imprinting, and subsequent staining, of low-density polyethylene and porcine corneas, resulting in a consistent patterned structure of micron-sized perforations. After imprint, the device was examined and no evidence of microcone fracture or overpenetration was present during the course of these experiments. This research promises to lead to advances in optical surgery for the treatment of recurrent corneal erosions, providing quicker, safer, and more cost-effective procedures with decreased risk of vision loss and scarring associated with current procedures such as anterior stromal puncture. The ease of procedure and micron-sized incisions could potentially replace current techniques and provide a viable treatment alternative for recurrent corneal erosions in the visual axis.
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September 2014
Technical Briefs
Structural Manipulation of Microcone Arrays for Microsurgical Modification of Ophthalmic Tissues
B. J. Wing,
B. J. Wing
Department of Materials Science and Engineering,
e-mail: bwing1@utk.edu
University of Tennessee
,Knoxville, TN
37996e-mail: bwing1@utk.edu
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D. A. Schaeffer,
D. A. Schaeffer
1
Energy and Transportation Science Division,
e-mail: schaefferda@ornl.gov
Oak Ridge National Laboratory
,Oak Ridge, TN 37831
e-mail: schaefferda@ornl.gov
1Corresponding author.
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T. R. Hendricks,
T. R. Hendricks
Measurement Science and Systems Engineering Division,
e-mail: troy.r.hendricks@jci.com
Oak Ridge National Laboratory
,Oak Ridge, TN 37831
e-mail: troy.r.hendricks@jci.com
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D. Bennett,
D. Bennett
Department of Ophthalmology,
e-mail: bennettmon@gmail.com
University of Tennessee Health Science Center
,Memphis, TN 38163
e-mail: bennettmon@gmail.com
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E. Chaum,
E. Chaum
Department of Ophthalmology,
e-mail: echaum@uthsc.edu
University of Tennessee Health Science Center
,Memphis, TN 38163
e-mail: echaum@uthsc.edu
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J. T. Simpson
J. T. Simpson
Measurement Science and Systems Engineering Division,
e-mail: simpsonjts@gmail.com
Oak Ridge National Laboratory
,Oak Ridge, TN 37831
e-mail: simpsonjts@gmail.com
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B. J. Wing
Department of Materials Science and Engineering,
e-mail: bwing1@utk.edu
University of Tennessee
,Knoxville, TN
37996e-mail: bwing1@utk.edu
D. A. Schaeffer
Energy and Transportation Science Division,
e-mail: schaefferda@ornl.gov
Oak Ridge National Laboratory
,Oak Ridge, TN 37831
e-mail: schaefferda@ornl.gov
T. R. Hendricks
Measurement Science and Systems Engineering Division,
e-mail: troy.r.hendricks@jci.com
Oak Ridge National Laboratory
,Oak Ridge, TN 37831
e-mail: troy.r.hendricks@jci.com
D. Bennett
Department of Ophthalmology,
e-mail: bennettmon@gmail.com
University of Tennessee Health Science Center
,Memphis, TN 38163
e-mail: bennettmon@gmail.com
E. Chaum
Department of Ophthalmology,
e-mail: echaum@uthsc.edu
University of Tennessee Health Science Center
,Memphis, TN 38163
e-mail: echaum@uthsc.edu
J. T. Simpson
Measurement Science and Systems Engineering Division,
e-mail: simpsonjts@gmail.com
Oak Ridge National Laboratory
,Oak Ridge, TN 37831
e-mail: simpsonjts@gmail.com
1Corresponding author.
Manuscript received April 24, 2013; final manuscript received February 5, 2014; published online July 21, 2014. Assoc. Editor: Rosaire Mongrain.
J. Med. Devices. Sep 2014, 8(3): 034558 (4 pages)
Published Online: July 21, 2014
Article history
Received:
April 24, 2013
Revision Received:
February 5, 2014
Citation
Wing, B. J., Schaeffer, D. A., Hendricks, T. R., Bennett, D., Chaum, E., and Simpson, J. T. (July 21, 2014). "Structural Manipulation of Microcone Arrays for Microsurgical Modification of Ophthalmic Tissues." ASME. J. Med. Devices. September 2014; 8(3): 034558. https://doi.org/10.1115/1.4026828
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