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Susan Cotter, OD, MS; Marjean Kulp, OD, MS; Mitchell Scheiman, OD; Richard Hertle, MD; G. Lynn Mitchell, MAS; Michael Rouse, OD, MEd; for the Convergence Insufficiency Treatment Trial (CITT) Executive Committee

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

We thank Dr Wallace for his interest in our article¹ and for pointing out its many strengths including ophthalmology and optometry involvement, randomization, successful masking, and outstanding (99%) follow-up. While noting that office-based vergence/accommodative therapy was found to be more effective than office-based placebo therapy, home-based pencil push-up therapy (PPT), and home-based computerized therapy plus PPT (computerized therapy), Dr Wallace² suggested that the 2 home-based groups should have received the same amount of therapy at home that the office-based groups received in the office, as well as equal therapist contact time.

In response, we would like to emphasize that this was not the intent of the trial.

As stated in our article,¹ treatments for convergence insufficiency differ in several . . . [Full Text of this Article]

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RELATED LETTERS

Convergence Insufficiency: Randomized Clinical Trial—Reply
Mitchell Scheiman, G. Lynn Mitchell, Susan Cotter, Jeffrey Cooper, Marjean Kulp, Michael Rouse, Eric Borsting, Richard London, Janice Wensveen, and the Convergence Insufficiency Treatment Trial (CITT) Study Group
Arch Ophthalmol. 2005;123(12):1760-1761.
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Response to Editorial About the Convergence Insufficiency Treatment Trial—Reply
David K. Wallace
Arch Ophthalmol. 2009;127(9):1230-1231.
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