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| Title | Maker | Date Made | |
| Univis A fused bifocal lens | View | ||
| Univis B fused bifocal lens | View | ||
| Univis C fused bifocal lens | View | ||
| Univis D fused bifocal demonstrator & case | United Kingdom Optical Company Ltd | Mid 20th c. | View |
| Univis D fused bifocal lens | View | ||
| V.M.D 'Transitions' photochromic bifocal lens | Essilor | 20th c. | View |
| V.M.D. 'Orma' bifocal lens | Essilor | 20th c. | View |
| Varilux 'Orma' bifocal lens | Essilor | 20th c. | View |
| Varilux 'Orma' bifocal lens | Essilor | 20th c. | View |
| Visible centre-controlled solid downcurve bifocal lens | 20th c. | View | |
| Visible centre-controlled solid downcurve bifocal lens | Emerson-Bentzon | 20th c. | View |
| Window display of Kryptok Invisible Fused Bifocal manufacturing process | 1930s | View | |
| Younger's seamless solid downcurve bifocal lens demonstrator instrument / The Younger-22 lens | 1970s | View | |
| Youngerlite Seamless bifocal lens | 20th c. | View |
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