Quantifying Diplopia with a Questionnaire – Corrected Proof

Purpose: To report a diplopia questionnaire (DQ) with a data-driven scoring algorithm. Design: Cross-sectional study. Participants: To optimize questionnaire scoring, 147 adults with diplopic strabismus completed both the DQ and the Adult Strabismus-20 (AS-20) health-related quality-of-life (HRQOL) questionnaire. To assess test–retest reliability, 117 adults with diplopic strabismus. To assess responsiveness to surgery, 42 adults (46 surgeries). Methods: The 10-item AS-20 function subscale score (scored 0–100) was defined as the gold standard for severity. A range of weights was assigned to the responses and the gaze positions (from equal weighting to greater weighting of primary and reading). Combining all response option (Read more...)

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