Table 2.
Parameter | Subjects | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
S1 | S2 | S3 | S4 | S5 | S6 | S7 | S8 | S9 | S10 | S11 | S12 | |
Near point of convergence (cm) | 6 | 5 | 5 | 4.5 | 5 | 6 | 7 | 6 | 4 | 5 | 6 | 5 |
Recovery point of convergence (cm) | 8 | 6 | 7 | 6 | 9 | 8 | 8 | 9 | 7 | 8 | 7 | 8 |
Positive fusional range (Δ) | 25 | 30 | 20 | 25 | 40 | 45 | 30 | 35 | 30 | 45 | 35 | 25 |
Negative fusional range (Δ) | 10 | 12 | 14 | 10 | 18 | 16 | 16 | 14 | 12 | 25 | 20 | 20 |
Dissociated near phoria (Δ) + is esophoria and—is exophoria | 4 | 4 | 2 | −1 | −2 | −2 | −3 | −6 | −6 | −7 | −7 | −8 |