Table 1.

Descriptive Statistics for Study Variables

Variable	M	SD	Minimum	Maximum
Age	73.32	5.87	62.00	95.92
Far Visual Acuity	71.83	11.59	20.90	90.00
Contrast Sensitivity	1.69	0.15	0.90	1.95
Digit Symbol	40.64	11.30	9.00	74.00
Letter Comparison	39.80	9.22	13.00	69.00
Pattern Comparison	27.23	6.34	4.00	45.00
UFOV®	861.23	274.95	302.00	2000.00
Digit Span	9.62	2.13	4.00	16.00
Spatial Span	7.47	1.75	0.00	13.00
WASI Matrix Reasoning	17.48	7.32	2.00	31.00

Note: UFOV = useful field of view; WASI = Wechsler Abbreviated Scale of Intelligence.