Visual acuity through Bangerter filters in nonamblyopic eyes

Robert P. Rutstein, Nicole C. Foster, Susan A. Cotter, Raymond T. Kraker, Dave H. Lee, Michele Melia, Graham E. Quinn, Susanna Tamkins, David K. Wallace

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

Purpose: To describe the amount of visual acuity degradation induced by Bangerter filters in the better seeing eye and to evaluate its stability over time in children with moderate amblyopia. Methods: Visual acuity with and without a Bangerter filter was measured in the nonamblyopic eye of 186 children with moderate amblyopia who were then treated with either patching or the Bangerter filters. A 0.2 filter was used for amblyopia of 20/80 and a 0.3 filter for amblyopia from 20/40 to 20/63. For the 89 children randomized to Bangerter filters, visual acuity was also measured in the nonamblyopic eye with and without the filters at both 6 weeks and 12 weeks after initiating treatment. Results: Mean degradation in visual acuity of the nonamblyopic eye at baseline was 5.1 logMAR lines with the 0.2 filter and 4.8 logMAR lines with the 0.3 filter. The degradation with each filter did not always agree with the manufacturer's specifications. Over time, the amount of degradation with the filters decreased. Conclusions: The 0.2 and 0.3 Bangerter filters degrade nonamblyopic eye visual acuity sufficiently in amblyopic children. Because the amount of degradation decreases over time, it is recommended to periodically apply a new filter when using this type of amblyopia treatment.

Original languageEnglish (US)
Pages (from-to)131-134
Number of pages4
JournalJournal of AAPOS
Volume15
Issue number2
DOIs
StatePublished - Apr 2011

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Amblyopia
Visual Acuity
Therapeutics

ASJC Scopus subject areas

  • Ophthalmology
  • Pediatrics, Perinatology, and Child Health

Cite this

Rutstein, R. P., Foster, N. C., Cotter, S. A., Kraker, R. T., Lee, D. H., Melia, M., ... Wallace, D. K. (2011). Visual acuity through Bangerter filters in nonamblyopic eyes. Journal of AAPOS, 15(2), 131-134. https://doi.org/10.1016/j.jaapos.2010.11.015

Visual acuity through Bangerter filters in nonamblyopic eyes. / Rutstein, Robert P.; Foster, Nicole C.; Cotter, Susan A.; Kraker, Raymond T.; Lee, Dave H.; Melia, Michele; Quinn, Graham E.; Tamkins, Susanna; Wallace, David K.

In: Journal of AAPOS, Vol. 15, No. 2, 04.2011, p. 131-134.

Research output: Contribution to journalArticle

Rutstein, RP, Foster, NC, Cotter, SA, Kraker, RT, Lee, DH, Melia, M, Quinn, GE, Tamkins, S & Wallace, DK 2011, 'Visual acuity through Bangerter filters in nonamblyopic eyes', Journal of AAPOS, vol. 15, no. 2, pp. 131-134. https://doi.org/10.1016/j.jaapos.2010.11.015
Rutstein RP, Foster NC, Cotter SA, Kraker RT, Lee DH, Melia M et al. Visual acuity through Bangerter filters in nonamblyopic eyes. Journal of AAPOS. 2011 Apr;15(2):131-134. https://doi.org/10.1016/j.jaapos.2010.11.015
Rutstein, Robert P. ; Foster, Nicole C. ; Cotter, Susan A. ; Kraker, Raymond T. ; Lee, Dave H. ; Melia, Michele ; Quinn, Graham E. ; Tamkins, Susanna ; Wallace, David K. / Visual acuity through Bangerter filters in nonamblyopic eyes. In: Journal of AAPOS. 2011 ; Vol. 15, No. 2. pp. 131-134.
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