Table 1 Patients' information.

From: Fixation instability, astigmatism, and lack of stereopsis as factors impeding recovery of binocular balance in amblyopia following binocular therapy

Pediatric

Age/G

Refraction

Heterotropia/heterophoria angle

Fixation

BCVA (logMAR)

Interocular BCVA (logMAR)

Log stereo

Past therapy

Right eye

Left eye

Right eye

Left eye

AA1

7/F

+ 1.50 − 0.50 180°

+ 5.00 − 1.50 180°

D−, N7∆ EP

 

− 0.02

0.62

0.64

2.30

Occl

S1

9/M

+ 5.75 − 0.75 150°

+ 6.00

D8∆, N18∆ EP

 

0.12

0.20

0.08

2.60

Occl

A1

11/F

+ 7.00 − 0.75 150°

+ 1.50 − 0.50 40°

 

0.30

− 0.08

0.38

2.30

SA1

8/F

+ 5.00 − 0.25 3°

+ 6.00 − 0.25 5°

D12∆, N− XT

 

0.00

0.36

0.36

4.00

Occl

AA2

10/F

+ 0.75 − 0.25 11°

+ 5.50 − 3.50 179°

D2∆, N− XP

 

0.00

0.30

0.30

2.60

AA3

10/M

+ 5.50 − 1.50 130°

+ 1.00

 

0.10

− 0.10

0.20

1.90

Occl

AA4

6/M

+ 5.00 − 2.25 180°

+ 3.00 − 1.00 170°

D = N2∆ XP

 

0.24

0.10

0.14

1.78

Occl

A2

11/F

+ 1.50

+ 6.25 − 0.75 30°

 

− 0.10

0.20

0.30

2.15

Occl

S2

9/M

+ 3.00 − 0.50 170°

+ 2.75 − 0.25 179°

D4∆, N9∆ ET

Ecc

0.30

− 0.02

0.32

4.00

Occl

AA5

7/F

+ 4.25 − 3.25 15°

+ 1.75 − 0.25 3°

 

0.22

0.04

0.18

1.90

Occl

A3

6/M

+ 6.75 − 0.50 110°

+ 2.00 − 1.00 90°

 

0.26

0.02

0.24

1.90

Occl

A4

13/F

+ 6.25

+ 3.50

D2∆, N4∆ EP

 

0.34

− 0.10

0.44

2.30

Occl

A5*

7/F

− 1.25

− 7.00

 

− 0.10

0.50

0.60

2.15

Occl

SA2

12/M

+ 2.00 − 1.5 20°

+ 6.75 − 7.00 165°

–†

 

0.00

0.24

0.24

2.60

Occl

S3

10/F

+ 5.00

+ 5.50

D = N2∆ EP

 

− 0.02

0.44

0.46

3.55

Occl

A6

8/F

+ 3.50 − 3.75 6°

+ 4.25 − 3.50 13°

 

0.30

0.10

0.20

1.70

Occl

SA3

6/M

Plan − 2.00 15°

− 5.50 − 2.00 150°

D20∆, N8∆ XP

 

0.02

0.34

0.32

4.00

Occl

AA6

10/M

+ 7.75 − 0.75 20°

+ 8.00 − 1.00 135°

 

0.00

0.16

0.16

1.78

Occl

A7*

7/F

+ 1.25

+ 4.50

 

− 0.04

0.14

0.18

1.90

Occl

SA4

10/F

+ 4.00 − 1.00 20°

+ 6.50

D9∆, N10∆ ET

 

0.04

0.24

0.20

2.30

Occl

AA7*

6/M

− 1.00 − 1.50 12°

+ 0.75 − 0.25 15°

 

0.16

0.02

0.14

1.90

Occl

AA8

7/F

+ 1.75 − 1.25 165°

− 5.00 − 1.25 20°

 

0.14

0.66

0.52

2.90

Occl

S4

11/F

+ 1.75 − 1.75 3°

+ 2.00 − 1.75 5°

D− , N7∆ EP

 

0.20

0.00

0.20

2.30

A8

8/M

+ 3.75 − 0.25 36°

+ 6.00 − 0.50 174°

 

− 0.02

0.16

0.18

2.15

Occl

S5

10/M

+ 2.00 − 2.00 180°

+ 1.50 − 1.50 180°

D4∆, N7∆ EP

 

0.18

0.06

0.12

2.60

Occl

AA9

5/M

+ 2.00 − 0.50 10°

+ 5.00 − 3.50 165°

 

0.04

0.34

0.30

1.70

SA5

7/M

− 3.00 − 1.50 70°

+ 0.75 − 0.75 90°

D− , N10∆ EP

 

0.48

0.10

0.38

4.00

Occl

mean

8.55

         

sd

2.12

         

Adult

SA6

38/F

+ 0.50 − 0.75 170° (5∆ base-out)

− 0.50 − 0.75 35° (5∆ base-out)

D = N7∆ ET

Ecc

0.86

0.04

0.82

4.00

Occl

S7

44/F

+ 3.50

+ 3.25

D−, N6∆ ET

 

0.08

0.00

0.08

4.00

Occl

AA10

38/M

− 4.25 − 3.00 150°

− 2.50

 

0.32

− 0.18

0.50

1.60

SA7

46/M

+ 2.00

+ 4.50 − 4.00 24°

D4∆, N6∆ ET

 

− 0.12

0.50

0.62

4.00

Occl

A9

47/F

+ 4.50 (add + 0.75)

+ 3.75 (add + 0.75)

 

0.46

− 0.24

0.70

2.60

A10

39/F

− 0.50 − 0.25 141°

+ 3.50 − 0.75 43°

 

− 0.16

0.54

0.70

2.30

SA8

40/M

− 7.75 − 3.75 175°

− 3.00 − 0.50 25°

D = N12∆ XP

 

0.46

− 0.20

0.66

1.60

Occl

S8

29/M

− 0.25 − 0.25 111°

− 0.75 − 0.50 89°

D8∆, N2∆ EP

 

0.64

− 0.06

0.70

2.30

Occl

AA11

29/M

− 0.25

+ 5.25 − 2.75 61°

 

− 0.10

0.40

0.50

2.15

Occl

S9

34/M

+ 1.00 (4∆ base-out)

+ 1.25 (4∆ base-out)

D = N10∆/2∆, ET/HypoT

 

− 0.26

0.94

1.20

4.00

Occl

S10

34/F

− 0.75 − 0.50 96°

− 0.75 − 1.25 74°

 

− 0.10

0.20

0.30

2.60

A11

27/F

+ 4.50 − 1.50 180°

− 0.50 − 0.75 152°

 

0.42

− 0.16

0.58

4.00

S11

46/M

Plan − 1.25 110° (add + 1.25)

+ 0.25 − 1.50 75° (add + 1.25)

Ecc

0.02

0.50

0.48

2.60

Occl

A12

31/M

+ 4.50 − 1.00 180°

+ 3.25 − 0.75 30°

 

0.64

0.04

0.60

3.55

Occl

AA12

26/M

Plan

+ 5.00 − 1.00 175°

 

− 0.22

0.90

1.12

4.00

AA13

19/F

− 0.50 − 1.50 175°

− 5.75 − 3.00 20°

 

0.00

0.20

0.20

1.70

Occl

SA9

28/M

+ 1.00 − 0.50 93°

+ 4.00 − 0.75 71°

D = N6∆ ET

Ecc

− 0.16

0.76

0.92

4.00

Occl

A14

43/M

− 0.50 − 0.50 160°

+ 2.50

 

− 0.08

0.48

0.56

2.30

mean

34.09

         

sd

8.97

         
  1. A spherical anisometropia, AA spherical and astigmatic anisometropia, S strabismus, SA mixed amblyopia, G gender, F female, M male, BCVA best-corrected visual acuity, D distance, N near, ET esotropia, XT exotropia, EP esophoria, XP exophoria, Ecc eccentric fixation, Occl occlusion therapy.
  2. *Patients dropped out from the therapy.
  3. Patients undergone strabismus corrective surgery.