May 2005
Volume 46, Issue 13
Free
ARVO Annual Meeting Abstract  |   May 2005
The Effect of Low Vision Telescopes on Visual Acuity in Pediatric Glaucoma Patients
Author Affiliations & Notes
  • D.A. John
    Vanderbilt Eye Institute, Vanderbilt University, Nashville, TN
  • A.L. Corn
    Vanderbilt Eye Institute, Vanderbilt University, Nashville, TN
    Special Education, Peabody College, Vanderbilt University, TN
  • B.S. McRedmond
    Vanderbilt Eye Institute, Vanderbilt University, Nashville, TN
  • J. Sonsino
    Vanderbilt Eye Institute, Vanderbilt University, Nashville, TN
  • K.M. Joos
    Vanderbilt Eye Institute, Vanderbilt University, Nashville, TN
  • Footnotes
    Commercial Relationships  D.A. John, None; A.L. Corn, None; B.S. McRedmond, None; J. Sonsino, None; K.M. Joos, None.
  • Footnotes
    Support  1. Providing Access to the Visual Environment (PAVE) 2. Research to Prevent Blindness, Inc.,NY
Investigative Ophthalmology & Visual Science May 2005, Vol.46, 4606. doi:
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      D.A. John, A.L. Corn, B.S. McRedmond, J. Sonsino, K.M. Joos; The Effect of Low Vision Telescopes on Visual Acuity in Pediatric Glaucoma Patients . Invest. Ophthalmol. Vis. Sci. 2005;46(13):4606.

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

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Abstract

Abstract: : Purpose: Many adults with reduced vision utilize low vision aids to improve their quality of life. The benefit of low vision aids in pediatric glaucoma patients has not been reported in the literature. Therefore, the goal of the present study is to determine if low vision telescopes improve visual function in children with glaucoma. Methods: Fifteen pediatric low vision patients with glaucoma, mean age of 12.5 years (range 3–22 years) and a mean best–corrected visual acuity in the better seeing eye of 20/74 (range 20/32–20/1200), were included. Visual acuity of hand motions or worse was not included. Visual acuity at distance was recorded before and after the use of a low vision telescope. Each patient was given a telescope power which best improved their distance visual acuity (ranging from 2X to 6X). Results: In our study, the majority of patients had either a diagnosis of congenital glaucoma (47%) or secondary glaucoma due to aphakia (26%). All 15 patients demonstrated improved visual acuity with the telescope. Fourteen of the 15 patients demonstrated a 2–fold or greater increased distance visual acuity, while 1 patient had a 1.5–fold improvement with use of a 2.5X telescope. Conclusions: Distance visual acuity is improved with low vision telescopes in pediatric glaucoma patients.

Keywords: low vision • visual acuity 
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