摘要:
An intraocular lens has central lens body at least one haptic extending from the central lens body. The haptic has a lobular configuration. The lens body and the haptic having a folded configuration for implantation within the eye. The lens having a first deployed configuration wherein the lens body is positioned at a location substantially behind sealed anterior and posterior portions of the lens capsule with the at least one haptic positioned at a location substantially over top of the sealed anterior and posterior portions of the lens capsule. The lens having a second deployed configuration wherein the lens body is positioned at a location substantially in front of the sealed anterior and posterior portions of the lens capsule with the at least one haptic positioned at a location substantially over behind the sealed anterior and posterior portions of the lens capsule.
摘要:
An ultrasonic scanning apparatus that includes a unique ultrasonic array to transmit ultrasonic energy to a biological structure, such as an eye. The ultrasonic array provides specific three-dimensional (3-D) information relating to the eye and precise volumetric information relating to structures associated therewith, such as a tumor, prior, during and/or after treatment. The ultrasonic array can also be combined with a therapeutic ultrasonic unit for real-time 3-D observation of a structure and the focal point of the transmitted therapeutic beam(s) on a monitor during the treatment of a structure, e.g., treatment of a lesion.
摘要:
A method for simulating the behavior of an eye comprising the steps of (i) generating a FEM model of the eye representing the physical structure of the eye, the FEM model including an elastic walled corneo-scleral shell, (ii) modeling deformations of the eye with the FEM model, the deformation modeling including the simulated application of at least one external force to the FEM model, and (iv) obtaining FEM model solutions iteratively in an incremental fashion, whereby adjustable nodal pressure is introduced inside the corneo-scleral shell.
摘要:
An ocular method comprising localized ocular administration of a pharmaceutically acceptable formulation and effective concentration of at least one neuro-stimulatory agent, which may include a macrolide, for a duration sufficient to at least partially restore corneal sensation, or at least one macrolide to reduce scarring after ocular surgery. The neuro-stimulatory agent may be one or more of a macrolide, macrolide analog, neurotrophin, or neuropoietic factor. The method is used in a patent following ocular surgery, such as vision-correction surgery, glaucoma surgery, or retinal detachment repair surgery.
摘要:
A lens system is provided. The lens system can include a lens adapted to be part of the optical pathway of an eye and a sensor. The sensor is adapted to sense a condition. The lens system also includes a control unit. The control unit is adapted to receive a signal from the sensor. The signal includes information about the condition. The control unit is operable to alter the shape of the lens based at least partly upon the condition. The lens can be adapted for positioning inside the capsular bag of the eye, in the posterior chamber of the eye, in place of the capsular bag of the eye or in the cornea. The sensor can be a tension sensor. The condition can be the amount of tension at the zonules of the eye. The control system can include a fluidic pressure generator and a fluid flow control device.
摘要:
The present invention relates to a device for treating the eye, including a body portion configured to be positioned adjacent the exterior surface of the cornea and a heating means for heating the body portion to a predetermined temperature to affect at least one of the following: facilitation of the escape of aqueous humor from the eye and substantially preventing coagulation of the corneal tissue, while substantially destroying tumor cells.
摘要:
A method to ameliorate age related macular degeneration or another disease of fluid leakage from new ocular blood vessels to a surrounding area, by administering sunitinib maleate. In one embodiment, sunitinib maleate is administered without photodynamic or laser coagulation therapy. In one embodiment, sunitinib maleate is administered in conjunction with photodynamic or laser coagulation therapy.
摘要:
Amniotic membranes provided as emulsions to provide desirable features. The emulsion, containing micron or submicron sized particles of amniotic membrane, is formulated to increase absorption and overall bioavailability. In one embodiment, the emulsion is sprayed onto an implantable or insertable medical device. In another embodiment, the emulsion is sprayed onto an ocular surface or inserted in or on an ocular device in an individual having or at risk for developing dry eye.
摘要:
A formulation to treat ocular conditions such as dry eye disease, as well as other conditions, is disclosed. Rapamycin and/or ascomycin is administered intraocularly, such as by topical application, injection into the eye, or implantation in or on the eye. For example, a topical administration may contain between about 50 pg/ml drug to about 50 μg/ml drug in a formulation which may be applied at bedtime or throughout the day. For injection, a dose of about 50 pg/ml to about 200 μg/ml may be used. Rapamycin and/or ascomycin may also be administered in milligram quantities as a surgical implant, for example, in a diffusible walled reservoir sutured to the wall of the sclera, or may be contained within an inert carrier such as microspheres or liposomes to provide a slow-release drug delivery system.
摘要:
Methods are disclosed to enhance controlled localization and/or release of an agent at an anatomical and/or physiological site where the agent is desirable. In one embodiment, the method localizes vector transfected with a gene(s) that enhances neovascularization (i.e., genes encoding angiogenic agents). In another embodiment, the method localizes genes that inhibit neovascularization (i.e., genes encoding antiangiogenic agents) at sites where new blood vessel growth is undesirable. The vector is provided in a biocompatible substance substantially preventing migration of the vector from the site in need of therapy. The substance may be a matrix, gel, a polymer, liposome, capsule, nanoparticle, microparticle. The substance may form in situ, for example, a fibrin entraining mesh or network form from fibrinogen and thrombin.