Evaluation of the Efficacy of Treatment for Convergence Insufficiency with a New Digital Mobile Platform: A Comparative Preliminary Study

The objective of this study was to evaluate the efficacy of a novel digital platform (Visitrain VG, Alicante, Spain) as a visual rehabilitation tool for patients with convergence insufficiency (CI), in comparison with conventional in-office vision therapy (VT) supplemented with home reinforcement exercises. A retrospective comparative study was conducted comprising 33 patients diagnosed with CI, allocated into two groups: a digital group (DG; n = 16) receiving treatment with the aforementioned digital platform and a conventional group (CG; n = 17) undergoing conventional vision therapy. Binocular vision clinical parameters were assessed at baseline, one month, and three months of follow-up, including near point of convergence (NPC), positive fusional vergence (PFV), and binocular accommodative facility (BAF). Both groups demonstrated significant improvements following three months (p < 0.050). At the one-month evaluation, the CG showed a more rapid clinical response, with statistically significant between-group differences being observed in the NPC (p = 0.004) and near PFV (p = 0.040) compared with the DG. Nevertheless, at the three-month follow-up, no significant differences were found between the groups (p ≥ 0.060). The digital platform under investigation appears to constitute an effective therapeutic alternative to conventional vision therapy, albeit with a comparatively slower initial clinical response rate. It may be particularly indicated for patients requiring greater scheduling flexibility or those with limited access to in-office clinical care. Prospective controlled clinical trials are warranted to corroborate these preliminary outcomes.