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. Author manuscript; available in PMC: 2023 Oct 2.
Published in final edited form as: Ophthalmic Physiol Opt. 2020 Oct 29;41(1):21–32. doi: 10.1111/opo.12747

TABLE 2A.

Baseline demographics and clinical characteristics of participants with reduced accommodative amplitude by treatment group

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.