1.750 focal power for age 50 to 52; magnifying lens
NSN 6645-01-631-8160
NSN 5935-01-443-2429
NSN 6620-01-584-9653
NSN 4140-00-099-9205
NSN 6320-01-382-9676
NSN 5925-01-140-4945
NSN 5985-01-023-9280
NSN 6610-01-144-8401
NSN 6685-00-187-8379
NSN 5999-00-290-5898
NSN 6610-01-037-9144
NSN 6145-01-056-5515