Table 2.

Mean and Standard Deviation of Non-Adapters and Adapters to PALs Group Attributes for Experiment 2 Phoria Adaptation Experiment studying incipient presbyopes who were fitted for PALs for the first time.

	Experiment 2
Clinical Parameters	Non-Adapters	Adapters
Age (years)	48.57 ± 2.99	46.50 ± 3.28
Gender (F = Female, M = Male)	6 F and 1 M	14 F and 10 M
Stereopsis (sec arc)	36.4 ± 9.5	36.0 ± 18.8
Near Point of Convergence (cm)	6.0 ± 2.1	6.7 ± 2.6
Base-In Vergence Range (△)	10.00 ± 3.46	11.00 ± 3.24
Base-Out Vergence Range (△)	29.57 ± 15.09	34.54 ± 12.42
Mean Right Eye Sphere O.D. (D = Diopters)	−2.92 ± 3.1	−1.03 ± 2.0
Mean Left Eye Sphere O.S. (D = Diopters)	−2.04 ± 2.4	−0.71 ± 1.7
Near Addition (D = Diopters)	1.71 ± 0.4	1.68 ± 0.5
Interpupillary distance (mm)	62.8 ± 3.6	64.4 ± 4.3