KSIĄŻKI POWIĄZANE ZE SŁOWEM «ISEIKONIA»
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1
Intraocular Lens Power Calculations
Iseikonia is the equality of retinal image size. To achieve iseikonia, the two eyes
must have the same posterior focal length. Calculating for iseikonia is not
necessary in most cases. In emmetropic eyes, iseikonia is usually always
preserved ...
2
Applied Optics and Optical Engineering
Here one can see that a lens at the position of the crystalline lens, namely at
about 6 mm behind the corneal pole, can produce both emmetropia and an equal
image size in both eyes (iseikonia). Practically, if the aniseikonia is less than 3%
or ...
3
Fechner's Intraocular lenses
when one has implanted the IOL into the posterior chamber, one of the important
advantages of PCLs. Iseikonia can also be achieved with a prepupillary artificial
lens (and with a contact lens) by creating a Galilean system (Gernet and Ostholt ...
John J. Alpar, Paul U. Fechner, 1986
4
Recent Trends in Cataract Management
To achieve iseikonia, i.e., the equality of retinal image size, the two eyes should
have equal posterior focal lengths. In emmetropic eyes undergoing cataract
surgery, iseikonia is typically preserved when IOL calculations aims towards ...
Arnaldo Espaillat Matos, Amar Agarwal, Richard Lindstrom, 2013
5
Pseudophakia: current trends and concepts
The method of changing the refraction of the artiphakic eye 2 D toward the
myopic side to obtain iseikonia does not take into account the variation of the
components of the refracting system of the eye. This method would fail
particularly in the ...
Marvin L. Kwitko, Donald L. Praeger, 1980
6
Atlas of ophthalmic ultrasonography and biometry
Isometropia and Iseikonia Isometropia Isometropia is equality of refractive error.
The isometropic IOL power is calculated with the regular formula used for
emmetropia with one modification: the contact lens refractive power of the fellow
eye is ...
7
The intraocular implant lens development and results with ...
fellow-eye since this was supposed to be the ideal situation in order to obtain as
good an iseikonia as possible' (binkhorst, 1973). This supposition was based on
calculations for gullstrand0s schematic iseikonic pseudophakic eye: it has a ...
Marcel Eugène Nordlohne, 1975
8
Kyushu Journal of Medical Science
Iseikonia with Orthophoria as in Fig. 2-A, by an appropriate manipulation of the
horizontally or vertically movable size lens. The magnitude of the aniseikonia in
the two images is indicated on the scale on the size lens. Another and the last ...
9
Cataract Surgery and Its Complications
However, from this discussion it is apparent that, with currently used IOLs, there
can be no isometropia without aniseikonia and no iseikonia without
anisometropia. The method just described to achieve iseikonia by changing the
refraction of ...
Norman S. Jaffe, Mark S. Jaffe, Gary F. Jaffe, 1997
10
Intraocular lens implantation
This situation would not create an iseikonia but rather aim at keeping a pre-
existing aniseikonia at the same level. ated (I) and years later the left shorter eye
has also a cataract operation (II). The aniseikonia obtained with the different ...
Emanuel S. Rosen, William M. Haining, Eric J. Arnott, 1984
