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  2. Period-after-opening symbol - Wikipedia

    en.wikipedia.org/wiki/Period-after-opening_symbol

    date. Instead, there has to be "an indication of the period of time after opening for which the product can be used without any harm to the consumer". The EU Cosmetics Directive defines in Annex VIIIa the language-neutral open-jar symbol, which manufacturers should use to indicate this period.

  3. Contact lens - Wikipedia

    en.wikipedia.org/wiki/Contact_lens

    Contact lenses, or simply contacts, are thin lenses placed directly on the surface of the eyes. Contact lenses are ocular prosthetic devices used by over 150 million people worldwide, [ 1 ] and they can be worn to correct vision or for cosmetic or therapeutic reasons. [ 2 ]

  4. List of soft contact lens materials - Wikipedia

    en.wikipedia.org/wiki/List_of_soft_contact_lens...

    In the US market, soft contact lenses are approved by the US Food and Drug Administration. [2] The American Optometric Association published a contact lens comparison chart called Advantages and Disadvantages of Various Types of Contact Lenses on the differences between them. [3] These include: soft contact lenses; rigid gas-permeable (RGP ...

  5. Expiration date - Wikipedia

    en.wikipedia.org/wiki/Expiration_date

    An expiration date or expiry date is a previously determined date after which something should no longer be used, either by operation of law or by exceeding the anticipated shelf life for perishable goods. Expiration dates are applied to some food products and other products like infant car seats where the age of the product may affect its safe ...

  6. Drug expiration - Wikipedia

    en.wikipedia.org/wiki/Drug_expiration

    The labeled expiration date is a manufacturer's promise for a time until which the drug will have full efficacy and be safe as manufactured. [4] The labeled expiration date is not an indication of when a drug has become ineffective or unsafe to use. [4] Many drugs are effective for years after their expiration dates. [4]

  7. Circle contact lens - Wikipedia

    en.wikipedia.org/wiki/Circle_contact_lens

    Circle lenses manufactured in Korea are under the approval and guidelines of the Ministry of Food and Drug Safety. Acuvue, the contact lens brand from Johnson & Johnson Vision, has a line of prescription daily disposable color contact lenses marketed under the name "1-Day Acuvue Define" available in the United States as well as other countries ...

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