Contact Lens Abstract
A colored contact lens (10) having a non-opaque pupil section (20), an iris section (22) surrounding the pupil section (20), and a colored, opaque intermittent pattern made up of a plurality of elements located over the entire iris section (22) that leaves a substantial portion within the interstices of the pattern non-opaque, the pattern covering an effective amount of the iris section (22) to change the apparent color of the iris, the pattern having a plurality of portions, each of the portions being a different shade from each other portion, each of the portions overlapping each other portion at a plurality of points, thereby providing a lens (10) capable of changing the apparent color of the iris of a person wearing the lens (10) and imparting a very natural appearance.
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November 30, 2009
Colored contact lens with a more natural appearance
Panretinal laser fundus contact lens
Contact Lens Abstract
An optical lens system is designed to speed and improve therapeutic laser irradiation of the inner eye. The device is housed in an external casing (10) in conjunction with a specialized fundus contact lens (22). Internally, a disc (12) is mounted with a rotary central mirror driven by a micromotor (14). Toward the periphery of the plate a ring of mirrors is arranged (20). Below the mounted disc lies an additional set of mirrors (24) set at inclinations to divert incident energy to the posterior segment of the eye. As incoming laser energy (28) strikes the central mirror it diverts the beam to a peripheral mirror which again deflects the light to another mirror at the posterior end of the device. A control box (30) facilitates coordinating laser bursts with the circumferential motion of the central mirror. The apparatus results in a ring of laser delivered to the internal eye.
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Method for designing multifocal contact lenses
Contact Lens Abstract
The invention provides methods for designing contact lenses that takes into account pupil size and vergence. The lenses of the invention augment the eye’s accommodative gain and take advantage of the eye’s residual accommodation amplitude.
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Hydrodynamically operated multifocal contact lens
Contact Lens Abstract
This invention pertains to a soft contact lens that has a body with a central zone aligned with the optical axis of the eye when a wearer wears the lens. A micro-channel filled with fluid, is positioned at or near the optic zone and is arranged so that when the fluid is pressurized, the micro-channel expands and changes the optical characteristics of the central zone. The pressure in the microchannel is controlled through changes to a reservoir disposed in the lens below the optic zone.
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Contact lens blister packages and methods for automated inspection of hydrated contact lenses
Contact Lens Abstract
A contact lens package includes a base member including a cavity dimensioned to accommodate contact lens and a liquid therein. The combination of the cavity, the contact lens, and the liquid cooperate to collimate partially collimated light directed toward a bottom surface of the cavity. The cavity can be sealed by attaching a removable sealing member to the base member around the cavity. Methods of inspecting ophthalmic lenses using the present packages are also described.
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Series of aspherical contact lenses
Contact Lens Abstract
The present invention provides a series of aspherical contact lenses, each lens having a first central optical zone on its anterior surface and a second central optical zone on its posterior surface. Both central optical zones are aspherical surfaces. The first central optical zone is designed to have a surface which provides a target optical power and an optical power profile selected from the group consisting of (1) a substantially constant optical power profile, (2) a power profile mimicking the optical power profile of a spherical lens with an identical targeted optical power, and (3) a power profile in which lens spherical aberration at 6 mm diameter is from about 0.65 diopter to about 1.8 diopters more negative than spherical aberration at 4 mm diameter.
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Liquid diagnostic contact lens
Contact Lens Abstract
A liquid diagnostic contact lens includes a main body having a concave lens, and a supporting element disposed at a bottom of the main body. A heavy fluid is placed on a top surface of the concave lens. A transparent plate is sealed over the top surface of the concave lens so as to define an encapsulating room and encapsulate the heavy fluid therein. In operation, an ophthalmologist places the supporting element onto the eye, and examines various interior spots of the eye by adaptively adjusting the eye. The liquid diagnostic contact lens is tilted along with the eye and the top surface of the heavy fluid is kept horizontal so the heavy fluid is formed as prisms of different diopters. Thus, the liquid diagnostic contact lens can examine various spots of the interior of the eye.
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Contact lens manipulation and cleaning apparatus
Contact Lens Abstract
The present invention provides apparatus for manipulating and cleaning of contact lenses, together with methods for same. The apparatus comprises at least one eyepiece, at least one body and a cleaning housing. The at least one eyepiece is attached to the at least one body and defines an opening in the body. The at least one eyepiece comprises a head for engaging a contact lens and an eyelid opening mechanism. The at least one body includes a contact tens manipulation device. The apparatus is arranged such that when the at least one eyepiece is attached to the body and the face of the user is in contact with the eyepiece, the eyelid opening mechanism engages the upper and lower eyelids to retain them open while a retractable mechanism removes the contact lens from the eye of the user. The cleaning housing is engageable with the eyepiece and can effectuate cleaning of the contact lens once removed from the eye of the user.
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Method of cleaning contact lenses via sonication
Contact Lens Abstract
A process for cleaning all types of contact lenses by placing each contact lens in individual compartments of a liquid impermeable lens storage container filled with an aqueous medium such as sterile saline or sterile lens cleaning solution, floating the liquid impermeable storage container in an ultrasonic device operating at a frequency of 50-60 Hz and a wattage of 20-117 watts.
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Multifocal contact lens designs utilizing pupil apodization
Contact Lens Abstract
The invention provides a contact lens that corrects for the wearer’s refractive prescription by taking into account both pupil size and the Stiles Crawford effect of the first order.
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