Shape memory polymer intraocular lenses
AssigneeThe Regents of the University of Colorado, a body corporate
InventorsMalik Y. Kahook, Naresh Mandava, Robin Shandas, Bryan Rech
Life of this patent
Estimating the term…
Loading patent…
AssigneeThe Regents of the University of Colorado, a body corporate
InventorsMalik Y. Kahook, Naresh Mandava, Robin Shandas, Bryan Rech
Estimating the term…
A shape memory polymer (SMP) intraocular lens may have a refractive index above 1.45, a Tg between 10° C. and 60° C., inclusive, de minimiz or an absence of glistening, and substantially 100% transmissivity of light in the visible spectrum. The intraocular lens is then rolled at a temperature above Tg of the SMP material. The intraocular device is radially compressed within a die to a diameter of less than or equal to 1.8 mm while maintaining the temperature above Tg. The compressed intraocular lens device may be inserted through an incision less than 2 mm wide in a cornea or sclera or other anatomical structure. The lens can be inserted into the capsular bag, the ciliary sulcus, or other cavity through the incision. The SMP can substantially achieve refractive index values of greater than or equal to 1.45.
A method of implanting an intraocular lens device comprising making an incision in a cornea or sclera less than 2 mm wide;
A method of implanting an intraocular lens device comprising making an incision in a cornea or sclera less than 2 mm wide;
A method of implanting an intraocular lens device comprising making an incision into a cornea less than 2 mm wide to access the anterior chamber;
A method of implanting an intracorneal implant device comprising making an incision into a cornea less than 2 mm wide to create a tunnel in the cornea;
The wherein the shape memory polymer comprises 65 weight percent tert-butyl acrylate and 22 weight percent poly(ethylene glycol) dimethacrylate 1000, and further comprises 13 weight percent butyl acrylate.
Dependencies are inferred from the claim text.