Contact lenses bearing identifying marks

本发明提供一种接触透镜，包括前表面、后表面以及位于至少所述前表面和所述后表面之一上的识别标志，其中所述识别标志包括一个沉陷区，该沉陷区的剖面由在所述沉陷区底部处的至少两个相交凹面构成。 This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark comprises...

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Bibliographische Detailangaben
Hauptverfasser:	TIMOTHY R. POLING, JONGLIANG WU, KHALD A. CHEHAB
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTACT LENSES OPTICS PERFORMING OPERATIONS PHYSICS PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCESIN A PLASTIC STATE SPECTACLES SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURESAS SPECTACLES TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	本发明提供一种接触透镜，包括前表面、后表面以及位于至少所述前表面和所述后表面之一上的识别标志，其中所述识别标志包括一个沉陷区，该沉陷区的剖面由在所述沉陷区底部处的至少两个相交凹面构成。 This invention provides a contact lens comprising a front surface, a back surface and an identifying mark on at least one of said front surface and said back surface, wherein said identifying mark comprises a depressed region having a cross-section which comprises at least two intersecting concave surfaces at the bottom of said depressed region.