4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Ophthalmic lenses or blanks

John Trevor de Carle

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Bifocal contact lenses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
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Hydrophilic gel terpolymers from hydrophilic N-vinyl monomers, h

Chemistry of carbon compounds – Miscellaneous organic carbon compounds
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Profile ID: LFUS-PAI-P-96090

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