Table 2.
Outcome/Visit | OBVAT | HBPP | HBCVAT+ | OBPT |
---|---|---|---|---|
Convergence Insufficiency Symptom Survey | ||||
6 Month | 0.2 (−1.6, +2.1) |
−5.8 (−12.4, +0.8) |
0.2 (−3.4, +3.8) |
−2.0 (−5.0, +1.1) |
12 Month | −0.6 (−3.1, +1.8) |
−1.9 (−5.9, +2.0) |
0.1 (−4.8, +4.9) |
2.0 (−2.1, +6.1) |
Near Point Convergence break (cm) | ||||
6 Month | 1.0 (+0.2, +1.9) |
−0.1 (−1.2, +1.1) |
−0.9 (−2.4, +0.5) |
0.4 (−0.9, +1.6) |
12 Month | 0.2 (−0.9, +1.3) |
0.1 (−1.6, +1.8) |
0.5 (−1.6, +2.6) |
0.3 (−1.7, +2.3) |
Positive Fusional Vergence (Δ) | ||||
6 Month | 2.3 (−1.0, +5.5) |
−3.5 (−8.0, +1.0) |
−2.2 (−8.0, +3.5) |
0.1 (−4.6, +4.9) |
12 Month | 3.0 (+0.04, +5.9) |
−0.3 (−4.9, +4.3) |
0.6 (−4.9, +6.2) |
−1.3 (−6.1, +3.5) |
Change adjusted for measurement obtained at the week 12 visit and calculated such that values greater than zero indicate improvement while values less than zero indicate a decline/deterioration.
OBVAT: Office-based vergence/accommodative therapy with home reinforcement
HBPP: Home-based pencil push-up therapy
HBCVAT+: Home-based computer vergence/accommodative therapy and pencil push-ups
OBPT: Office-based placebo therapy with home reinforcement