1.750 focal power for age 50 to 52; magnifying lens
NSN 6620-01-168-8450
NSN 6145-01-188-4876
NSN 5945-01-628-3395
NSN 6650-00-976-2507
NSN 5920-01-581-2736
NSN 5895-01-054-2793
NSN 5905-00-153-2802
NSN 5920-01-147-4903
NSN 6220-00-959-5970
NSN 6150-01-184-9275
NSN 5960-01-553-4243
NSN 5985-01-022-1738