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Title | Maker | Date Made | |
'Alpha D' progressive bifocal lens | Essilor | 20th c. | View |
'Lartal' progressive bifocal lens | Zeiss | 20th c. | View |
'Technica' progressive lens | American Optical Company | 20th c. | View |
Aspheric progressive lens | Fissilon | 20th c. | View |
V.M.D. progressive lens | Essilor | 20th c. | View |
Varilux 'Omega' aspheric lens | Essilor | 20th c. | View |
Varilux 1 Essel progressive lens | Essilor | 20th c. | View |
Varilux 2 Essel progressive lens | Essilor | Mid 1970s | View |
Varilux Essel progressive lens | Essilor | 20th c. | View |