Devices descending from K852639

2 later devices reach Humphrey Field Analyzer Model 630 through their predicates, nearest generation first.

Generation	Number	Device	Applicant	Decided	Own descendants	Recalls
+1	K012530	AA-1 System	Neurovision, Inc.	2001	1	—
+2	K023623	Novavision, Model 2.0	Novavision, Inc.	2003	0	—