… surfaces were used only for post-cataract spectacle lenses and high-… Today, aspherical
surfaces are used by all major lens … 12.00 D lens made with convex prolate ellipsoidal surface. At …

… , ellipsoidal, and combined surfaces to correct astigmatism to design the aspheric spectacle
lenses and to … Four contemporary aspheric spectacle lenses with the same parameters were …

… and it is important to correct astigmatic axis for spectacle lenses. In this study, we derive and
… , and ellipsoidal surfaces with astigmatic axes to design astigmatic spectacle lenses. Based …

… surfaces of their aspheric contact lenses are ellipsoidal, … spectacle lenses, the aberrations
of a contact lens cannot be altered by bending, since the posterior surface of the contact lens …

… Using these relations, a variety of practical problems involving off-axis lenses and mirrors,
ellipsoidal optical elements, and various other astigmatic optical systems may be readily …

… An ellipsoid represents a better approximation of the cornea shape in the … ellipsoid lenses
with inner elliptical surfaces provide marked improvement in comfort when wearing eyeglasses…

… ellipsoids of revolution about the minor axis. The +14-diopter front and rear lens surfaces
became deformed ellipsoids … very steeply curved spectacle lenses reduced oblique astigmatism…

… study we use ellipsoid modeling of the retinal surface of ocular MRIs … was +11.0 ± 7.0 compared
with +4.0 ± 2.4 for the lens ellipsoid—… We intend to test this further with optical modeling. …

… Ellipsoidal lenses were chosen because of the opportunity of reflow fabrication leading to
smooth surfaces and therefore excellent optical … sophisticated surface profiles like off-axis lens-…

… larger than that of spectacle lenses. By applying at least one ellipsoidal surface, this type of
… that if we apply at least one ellipsoidal and another ellipsoidal or spherical surface, contact …