Interfacial refraction accommodating lens (iral)
A lens and interface technology, applied in the direction of eye implants, intraocular lenses, etc., can solve the problems of small adjustment ability, impractical, complex systems, etc., and achieve the effect of large diopter change and simple design
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[0053] The basic principles of adjusting lenses are of course well known to those skilled in the art. This principle is described in US Patent 5,489,302 figure 1 and 2 (and the related content disclosed in column 4, lines 20 to 52), which disclosure is incorporated herein by reference.
[0054] In general, one aspect of the present invention is an implantable interface refractive intraocular lens (IRAL) assembly or device that responds to the physiological needs of the lens user (e.g., the patient to whom the lens has been implanted). Change to adjust its focal length. Lenses include flexible optical housing lenticular bodies, or optical and cooperating haptics. The optical chamber is generally defined by opposing, substantially parallel, optically transparent, generally circular disks that are flexibly joined at their edges and spaced apart to define an enclosed fluid chamber. The fluid chamber comprises first and second liquids, the liquids have different refractive indi...
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