Table 2 Baseline demographics and clinical characteristics
Overminus and prism n = 30 | Observation n = 30 | |||
|---|---|---|---|---|
N | % | N | % | |
Sex | ||||
Female | 13 | 43.3 | 15 | 50.0 |
Male | 17 | 56.7 | 15 | 50.0 |
Age | ||||
3 to < 4 | 3 | 10.0 | 4 | 13.3 |
4 to < 5 | 8 | 26.7 | 10 | 33.3 |
5 to < 6 | 9 | 30.0 | 9 | 30.0 |
6 to < 7 | 10 | 30.0 | 7 | 23.3 |
Mean (SD) | 4.87 ± 1.01 | 4.63 ± 1.00 | ||
Range | 3 to 6 | 3 to 6 | ||
Refractive error (SE, D) | ||||
+ 4.00 to <+ 5.00 | 1 | 3.3 | 2 | 6.7 |
+ 3.00 to <+ 4.00 | 2 | 6.7 | 4 | 13.3 |
+ 2.00 to <+ 3.00 | 3 | 10.0 | 5 | 16.7 |
+ 1.00 to <+ 2.00 | 9 | 30.0 | 6 | 20.0 |
+ 0.5 to <+ 1.00 | 15 | 50.0 | 13 | 43.3 |
Mean (SD) | 1.59 ± 1.05 | 1.64 ± 1.29 | ||
Range | + 0.5 to + 4.5 | + 0.5 to + 4.25 | ||
Exotropia control | ||||
0 to 3 | 2 | 6.7 | 5 | 16.7 |
4 to 6 | 20 | 66.7 | 19 | 63.3 |
7 to 9 | 8 | 26.7 | 6 | 20.0 |
Mean (SD) | 5.37 ± 1.65 | 5.60 ± 1.50 | ||
Range | 2 to 8 | 2 to 8 | ||
Exodeviation by PACT at distance (PD) | ||||
1 to 9 | 0 | 0.0 | 0 | 0.0 |
10 to 14 | 0 | 0.0 | 0 | 0.0 |
16 to 18 | 6 | 20.0 | 6 | 20.0 |
20 to 25 | 10 | 33.3 | 8 | 26.7 |
30 to 35 | 10 | 33.3 | 13 | 43.3 |
40 to 45 | 4 | 13.3 | 3 | 10.0 |
Mean (SD) | 27.80 ± 7.48 | 27.46 ± 7.60 | ||
Range | 16 to 40 | 16 to 40 | ||
Exodeviation by PACT at near (PD) | ||||
1 to 9 | 0 | 0.0 | 0 | 0.0 |
10 to 14 | 1 | 3.3 | 1 | 3.3 |
16 to 18 | 7 | 23.3 | 7 | 23.3 |
20 to 25 | 10 | 33.3 | 12 | 40.0 |
30 to 35 | 9 | 30.0 | 9 | 30.0 |
40 to 45 | 3 | 10.0 | 1 | 3.3 |
Mean (SD) | 25.13 ± 6.84 | 26.46 ± 8.08 | ||
Range | 14 to 40 | 14 to 40 | ||
Preschool Randot near stereoacuity, arcsec (log arcsec) | ||||
40″ (1.6 log arcsec) | 3 | 10.0 | 4 | 13.3 |
60 ~ 80″ (1.78 log arcsec) | 7 | 23.3 | 9 | 30.0 |
100 ~ 140″ (2.0 log arcsec) | 6 | 20.0 | 5 | 16.7 |
200″ (2.3 log arcsec) | 5 | 16.7 | 4 | 13.3 |
400″ (2.6 log arcsec) | 5 | 16.7 | 3 | 10.0 |
800″ (2.9 log arcsec) | 3 | 10.0 | 4 | 13.3 |
Nil (3.1 log arcsec) | 1 | 3.3 | 1 | 3.3 |
Mean (SD) (log arcsec) | 2.14 ± 0.46 | 2.19 ± 0.44 | ||
Range (log arcsec) | 1.6 to 3.1 | 1.6 to 3.1 | ||