Table 3. Number of at-fault motor vehicle collisions and person-miles of travel according to severe visual field impairment by region.

	Severely Impaired		Severely Impaired		Severely Impaired
	Yes	No	Yes	No	Yes	No
	Threshold
At-Fault Crashes	25	32	23	34	25	32
Person-Miles	7,760,287	17,728,753	7,762,201	17,726,838	7,592,676	17,896,363
At-Fault Crashes	21	36	9	48	22	35
Person-Miles	6,650,912	18,838,127	2,119,066	23,369,973	6,922,807	18,566,233
At-Fault Crashes	17	40	13	44	17	40
Person-Miles	5,371,807	20,117,232	3,931,755	21,557,285	4,490,614	20,998,425
	Total Deviation
At-Fault Crashes	20	37	21	36	18	39
Person-Miles	6,519,016	18,970,023	5,469,563	20,019,476	5,961,200	19,527,840
At-Fault Crashes	23	34	14	43	20	37
Person-Miles	7,258,753	18,230,287	3,625,093	21,863,946	7,663,822	17,825,217
At-Fault Crashes	17	40	15	42	19	38
Person-Miles	6,199,227	19,289,812	4,896,477	20,592,562	4,710,991	20,778,048
	Pattern Deviation
At-Fault Crashes	21	36	25	32	20	37
Person-Miles	7,444,500	18,044,539	8,352,896	17,136,144	6,668,718	18,820,322
At-Fault Crashes	22	30	7	50	21	36
Person-Miles	8,089,991	17,399,049	2,792,013	22,697,027	7,681,970	17,807,069
At-Fault Crashes	19	38	15	42	21	36
Person-Miles	5,380,931	20,108,109	4,341,312	21,147,727	3,912,458	21,576,581