Sphere, bifocal, plus or minus 4.12 to plus or minus 7.00d, per lens
sphere, bifocal, plus or minus 4.12 to plus or minus 7.00d, per lens
Sphere, bifocal, plus or minus 4.12 to plus or minus 7.00d, per lens
sphere, bifocal, plus or minus 4.12 to plus or minus 7.00d, per lens