Focal no. 2.50 for age 60 and over
NSN 5996-00-661-1151
NSN 5925-00-410-1722
NSN 6240-00-189-2762
NSN 6320-01-462-2295
NSN 5925-01-063-7107
NSN 4140-00-073-9866
NSN 5930-00-176-3102
NSN 5999-00-770-6085
NSN 5998-00-018-0805
NSN 6110-01-016-7704
NSN 5925-01-369-2816
NSN 7035-01-633-7745