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Up and downcurve solid trifocal lens
OPHTHALMIC LENSES
trifocal lens
glass
Visible upcurve distance segment diameter: 45mm; Central intermediate portion; Invisible downcurve near segment diameter: 45mm
1999.5590
OPHTHALMIC LENSES
trifocal lens
glass
Visible upcurve distance segment diameter: 45mm; Central intermediate portion; Invisible downcurve near segment diameter: 45mm
Up and downcurve trifocal lens. Round. Glass (?). All solid construction. Visible upcurve distance segment. Invisible downcurve near segment.
1999.5590