A variable focus ophthalmic device is described. The device comprises a front curve optical portion of the variable focus ophthalmic device comprising a front curve top optical surface and a front curve bottom optical surface and a back curve optical portion of the variable focus ophthalmic device comprising a back curve top optical surface and a back curve bottom optical surface. A cavity is formed by the front curve bottom optical surface of the front curve optical portion of the variable focus ophthalmic device and the back curve top optical surface of the back curve portion of the variable focus ophthalmic device. A first fluid with a first index of refraction and a second fluid with a second index of refraction is provided, wherein the first index of refraction and the second index of refraction are different and the two fluids are immiscible. A dielectric film in contact with at least a portion of one or more of the first or second fluids and overlying an electrode capable of establishing an electric field is provided. One or more reservoir regions for containment of a volume of fluid equal or approximately equal to the volume of the first fluid and wherein the reservoir is in fluid connection with said formed cavity.