TABLE 2A.
Vergence/Accommodative Therapy (N = 115) | Placebo Therapy (N = 65) | Overall (N = 180) | |
---|---|---|---|
Age (years), mean (SD) | 10.8 (1.5) | 10.9 (1.4) | 10.8 (1.4) |
Sex, female, N (%) | 75 (65) | 34 (52) | 109 (61) |
White Race, N (%) | 71 (62) | 35 (54) | 106 (59) |
Hispanic or Latino Ethnicity, N (%) | 39 (34) | 23 (36) | 62 (34) |
Convergence Insufficiency Symptom Survey score, mean (SD) | 30.3 (8.6) | 31.9 (8.9) | 30.9 (8.7) |
Monocular Accommodative Amplitude (D), mean (SD) | 7.6 (1.7) | 7.1 (1.7) | 7.4 (1.7) |
Monocular Accommodative Facility (cpm), mean (SD) | 6.8 (4.2) | 6.8 (5) | 6.8 (4.5) |
Exodeviation at distance (Δ), mean (SD) | 1.9 (2.7) | 2.2 (4.3) | 2.0 (3.4) |
Exodeviation at near (Δ), mean (SD) | 9.9 (4.1) | 10.0 (5.7) | 10.0 (4.7) |
Near Point of Convergence Break (cm), mean (SD) | 16.0 (8.3) | 17.0 (8.2) | 16.4 (8.2) |
Positive Fusional Vergence Blur/Break† (Δ), mean (SD) | 10.7 (4.1) | 11.3 (4.2) | 10.9 (4.2) |
The blur finding was used, but if blur was not reported, the break finding was used.
SD = standard deviation; D = diopters; cpm = cycles per minute; Δ = prism diopters.