Skip to main content
. 2015 Dec 30;9(4):246–257. doi: 10.1016/j.optom.2015.10.006

Table 3.

Mean, standard deviation and median of the vergence and accommodation anomalies variables.

Low suspect High suspect Definite Pseudo CI CE FVD
n = 141
n = 72
n = 51
n = 23
n = 67
n = 40
Mean (SD) Median Mean (SD) Median Mean (SD) Median Mean (SD) Median Mean (SD) Median (Mean SD) Median
Vergence variables
NPC
 Break 6.26 (1.15) 6 9.28 (4.27) 8 14.41 (7.89) 12 15.52 (10.29) 10 6.45 (1.4) 6 7.08 (2.56) 6
 Recovery 9.01 (1.56) 9 12.2 (5.4) 10 18.59 (8.74) 18 19.78 (11.60) 12 8.9 (1.63) 8 9.51 (3.3) 8



Stereo-acuity 41.98 (35.27) 40 47.6 (29.48) 40 66.09 (42.46) 50 68.91 (42.25) 53 56.72 (0.52) 50 51.29 (26.71) 50



Phoria
 Near esophoria 0.09 (0.63) 0 0.42 (1.90) 0 0.88 (3.62) 0 1.30 (4.415) 0 4.76 (3.89) 4 1.15 (3.53) 0
 Far exophoria 0.43 (1.39) 0 0.64 (1.92) 0 1.31 (2.53) 0 0.00 (0.00) 0 0.18 (0.78) 0 0.62 (1.97) 0
 Near exophoria 6.09 (2.62) 6 6.37 (3.45) 6 9.88 (3.87) 10 9.43 (5.36) 0 0.54 (2.5) 0 1.48 (2.96) 0
 Diff far and near exo 5.56 (2.78) 5 5.71 (4.25) 6 8.6 (4.19) 9 7.54 (6.48) 6 0.73 (3.24) 0 (3.69) 0



NFV
 Break 18.68 (4.39) 18 16.51 (5.65) 18 16.49 (4.31) 16 14.26 (6.27) 16 11.21 (4.36) 10 8.35 (3) 8
 Recovery 13.75 (4.39) 14 12.03 (4.69) 12 12.12 (3.65) 12 10.04 (4.89) 12 12.00 8 4.95 (3.2) 4



PFV
 Break 27.74 (8.24) 25 21.17 (9.44) 20 11.24 (3.59) 12 15.52 (9.65) 12 25.28 (8.7) 25 9.1 (3.14) 9
 Recovery 18.61 (5.32) 18 13.44 (6.75) 14 7.02 (4.02) 8 9.35 (5.98 12 17.4 (6.49) 18 5.02 (3.39) 4



Accommodation variables
 AA (mon RE) 15.1 (2.96) 15 14.41 (3.96) 15 13.27 (3.86) 14 7.39 (2.23) 7 15.01 (4.14) 15 13.83 (4.75) 15
 AA (binocular) 15.13 (2.91) 15 14.70 (3.56) 15 13.66 (3.54) 14 8.87 (2.45) 8 15.20 (3.83) 15 14.30 (4.18) 15
 AR 0.54 (0.14) 0 0.59 (0.25) 0. 0.64 (0.23) 0 0.94 (0.31) 1 0.64 (0.25) 0 0.6 (0.38) 0
 AF (monocular −2.00 D) 9.5 (3.03) 10 8.34 (3.8) 10 7.43 (3.25) 8 3.18 (2.2) 3 7.86 (2.99) 8 6.18 (3.68) 6
 AF −2.00 D binocular 10.16 (2.84) 11 9.04 (3.88) 10 7.16 (3.06) 8 3.10 (2.62) 3 7.04 (3.61) 7 6.75 (3.57) 7.5
 AF +2.00 D binocular 10.99 (2.33) 12 10.04 (3.53) 11 6.72 (3.49) 6 7.82 (3.52) 8.85 9.55 (2.37) 10 7.65 (3.93) 8
 AF (±2 lens) binocular 10.99 (2.33) 12 10.04 (3.56) 11 6.72 (3.49) 6 7.82 (3.52) 8.5 9.55 (2.37) 10 7.65 (3.90) 8
 NRA (diopter) 2.22 (0.36) 2.25 2.08 (0.51) 2.25 1.62 (0.77) 1.50 1.80 (0.91) 2 2.19 (0.35) 2.25 1.75 (0.79) 1.75
 PRA (diopter) −2.59 (0.55) −2.8 −2.37 (0.68) −2.50 −2.07 (0.61) −2 −1.49 (0.54) −1.4 −1.87 (0.76) −1.8 −1.86 (0.68) −1.8

NFV = negative fusional vergence; PFV = positive fusional vergence; AA = amplitude of accommodation; mon = monocular; RE = right eye; AF = accommodative facility; AR = Accommodative response; NRA = negative relative accommodation; PRA = positive relative accommodation.