Astigmatism correcting contact lenses
AssigneeJourney 1 Inc
InventorEugene De Juan, Jr.
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Abstract
The present disclosure provides coverings such as contact lenses which can be used to provide improved vision in an eye of a subject, such as a human or animal subject. The coverings may comprise a pillar and a plurality of fenestrations. In some cases, an annular region such as a lenticular volume may be formed on the eye of the subject which may provide enhance comfort while the covering is in use. The coverings provided herein may have uses and applications such as masking an astigmatism of an eye, correcting a refractive error of an eye, the treatment of an eye having epithelial defects, aberration correction, multifocal correction, presbyopia correction, and other applications. Some embodiments of the present disclosure comprise extended wear contact lenses.
Claims20
An astigmatism-masking contact lens, the contact lens comprising:
- an inner portion comprising an anterior surface, wherein the inner portion comprises a pillar and an annular region disposed around the pillar;
- and
- a peripheral portion disposed radially outward from the inner portion and having a posterior surface configured to contact a surface of an eye when disposed thereon;
- wherein a portion of a posterior surface of the pillar is configured to contact a cornea of the eye when disposed thereon,
- wherein a posterior surface of the annular region has a curvature which diverges from a refractive shape of the cornea such that the posterior surface of the annular region vaults to form a lenticular volume therebetween when disposed thereon.
Dependencies are inferred from the claim text.