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  1. 40507751440
    Subject(s):Eyeglass [ and spectacle ] Lens
    Cross Reference(s):See also Lens [optic]
    See also Optics
    Language:English
    Type of Resource:CrossReference
    Series/Volume/Page:Series 4/Volume 5/Page 775
  2. 40507751880
    Subject(s):Eyeglass [ and spectacle ] Lens, contact
    Cross Reference(s):See also Cornea, Leukoma
    See also Keratoconus, &c
    Language:English
    Type of Resource:CrossReference
    Series/Volume/Page:Series 4/Volume 5/Page 775