Effect of Spectacle Lenses with Highly Aspherical Lenslets on Binocular Vision and Accommodation in Myopic Children with and without Intermittent Exotropia
Table 3
Binocular vision and accommodative parameters with HAL or SVL in the visually normal group.
HAL
SVL
Difference (95% CI)
T value
Value
Distance
NFV break (PD)
8.0 (2.1)
8.5 (2.1)
−0.5 (−1.3, 0.4)
−1.06
0.30
NFV recovery (PD)
5.7 (2.2)
6.3 (2.2)
−0.6 (−1.4, 0.2)
−1.58
0.13
PFV break (PD)
23.4 (11.3)
24.0 (13.2)
−0.6 (−3.9, 2.7)
−0.38
0.71
PFV recovery (PD)
16.5 (7.1)
15.8 (8.5)
0.8 (−1.8, 3.3)
−0.61
0.55
Near
NFV break (PD)
13.5 (4.4)
13.4 (3.8)
0.1 (−1.6, 1.7)
0.06
0.95
NFV recovery (PD)
9.4 (1.0)
9.2 (4.6)
0.3 (−1.4, 1.9)
0.31
0.76
PFV break (PD)
39.2 (8.0)
40.5 (7.1)
−1.4 (−3.8, 1.1)
−1.17
0.26
PFV recovery (PD)
25.9 (6.5)
27.2 (8.0)
−1.4 (−7.6, 4.9)
−0.53
0.61
NPC (cm)
4.50 (0.52)
4.50 (0.75)
−0.11 (−0.32, 0.10)
−1.09
0.29
Binocular AA (D)
14.85 (2.93)
14.96 (2.29)
−0.11 (−1.07, 0.85)
−0.24
0.82
Monocular AA (D)
12.95 (2.37)
13.14 (2.15)
−0.19 (−0.77, 0.40)
−0.67
0.51
AR (D)
1.84 (0.44)
1.64 (0.34)
0.20 (−0.07, 0.47)
1.54
0.14
AMF
0.27 (0.06)
0.23 (0.08)
0.05 (0.03, 0.07)
6.10
0.001
Data were presented as means (SDs). Abbreviations: HAL, spectacle lenses designed with highly aspherical lenslets; SVL, single vision spectacle lenses; NFV, negative fusional vergence; PFV, positive fusional vergence; NPC, near point of convergence; AA, accommodative amplitude; AR, accommodative response; AMF, accommodative microfluctuation; D, diopters; PD, prism diopters.
