July 2018
Volume 59, Issue 9
Open Access
ARVO Annual Meeting Abstract  |   July 2018
Diplopia in Baerveldt 250, Baerveldt 350, and Ahmed FP7 Patients
Author Affiliations & Notes
  • Khin Kilgore
    Ophthalmology, Mayo Clinic, Rochester, Minnesota, United States
  • Feng Wang
    Ophthalmology, Mayo Clinic, Rochester, Minnesota, United States
    Ophthalmology, First Affiliated Hospital of Anhui Medical University, Hefei City, Anhui Province, China
  • Nancy Diehl
    Department of Health Sciences Research, Mayo Clinic, Rochester, Minnesota, United States
  • Cheryl Khanna
    Ophthalmology, Mayo Clinic, Rochester, Minnesota, United States
  • Footnotes
    Commercial Relationships   Khin Kilgore, None; Feng Wang, None; Nancy Diehl, None; Cheryl Khanna, None
  • Footnotes
    Support  None
Investigative Ophthalmology & Visual Science July 2018, Vol.59, 2071. doi:
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      Khin Kilgore, Feng Wang, Nancy Diehl, Cheryl Khanna; Diplopia in Baerveldt 250, Baerveldt 350, and Ahmed FP7 Patients. Invest. Ophthalmol. Vis. Sci. 2018;59(9):2071.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Purpose : Diplopia has been reported as a complication of glaucoma drainage devices (GDD), but a prospective study assessing diplopia in the smaller plate glaucoma drainage devices using a standardized instrument to detect diplopia had not been performed. The purpose of this prospective study was to determine the incidence of diplopia in patients who receive Baerveldt 250, Baerveldt 350, or Ahmed FP7 GDDs.

Methods : Adult surgical glaucoma patients who had received, or would be receiving, Baerveldt 250, Baerveldt 350, or Ahmed FP7 GDDs, and medically-treated controls, were prospectively and consecutively enrolled. For the GDD patients, the Diplopia Questionnaire (DQ) was conducted prior to surgery and ≥30 days after surgery. Each control completed the survey upon enrollment. Diplopia was defined as “Sometimes,” “Often,” or “Always” in distance straight ahead and/or reading positions on the DQ.

Results : A total of 57 eyes in 53 patients, 45 eyes with GDD, and 12 controls were enrolled. Of the 45 eyes with GDD, 15 were enrolled pre-operatively, 30 post-operatively. One patient had diplopia pre-operatively. No patients reported diplopia after receiving Baerveldt 250. Diplopia was reported post-operatively in 4/16 (25.0%, p-value=0.36) Baerveldt 350 patients (2 attributable to GDD), 2/7 (28.6%, p-value=0.52) Ahmed FP7 patients (1 attributable to GDD), and 1/12 (8.3%) controls, with an overall diplopia rate of 8/53 (15.1%).

Conclusions : Although there was not a significant difference in post-operative diplopia among patients with Baerveldt 250, Baerveldt 350, or Ahmed FP7 in this ongoing study, no patients with 250 Baerveldt, a small low-profile GDD, had post-operative diplopia, which warrants further investigation.

This is an abstract that was submitted for the 2018 ARVO Annual Meeting, held in Honolulu, Hawaii, April 29 - May 3, 2018.

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