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Determination of Treatment Strategies for Granular Corneal Dystrophy Type 2 Using Fourier-Domain Optical Coherence Tomography
  1. Tae-im Kim1,
  2. Jin Pyo Hong2,
  3. Byung Jin Ha3,
  4. R Doyle Stulting4,
  5. Eung Kweon E K Kim5
  1. 1 Yonsei University, Korea, Republic of;
  2. 2 Saeyan Eye Clinic, Seoul, Korea, Republic of;
  3. 3 Siloam Eye Hospital, Seoul, Korea, Republic of;
  4. 4 Emory University School of Medicine, Atlanta, Georgia, United States;
  5. 5 Yonsei University, College of Medicine, Korea, Republic of
  1. To whom correspondence should be addressed. E-mail: taeimkim{at}


Purpose: To evaluate the use of Fourier-domain optical coherence tomography (FD-OCT) in the selection and planning of surgical procedures to treat GCDII (granular corneal dystrophy type 2).

Methods: An RTVue-100 FD-OCT (Optovue, Inc, Fremont, CA) was used to determine the size, depth, and location of deposits in six patients with homozygous or heterozygous GCDII.

Results: The RTVue-100 FD-OCT revealed the depth of the deposits quite precisely, allowing the determination of the appropriate depth of PTK and the appropriate selection of lamellar vs. penetrating keratoplasty as the procedure of choice. In each case, visually significant opacities were adequately removed or would be removed.

Conclusion: FD-OCT provides useful information for the selection and planning of surgical procedures to remove corneal opacities in patients with GCDII.

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