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ISSN 1561-3070 (Electronic)

2016, Number 2

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Rev Cub Oftal 2016; 29 (2)

Fundamental methods for calculation of intraocular lens after corneal refractive surgery

Cárdenas DT, Hernández LI, Guerra AM, Cruz ID, Cuan AY, Pérez CE

Language: Spanish
References: 62
Page: 271-284
PDF size: 142.95 Kb.


ABSTRACT

With the emergence and development of the corneal refractive surgery, the refractive defects of millions of patients have been surgically corrected. As time goes by, the physiological opacification of the crystalline lens begins, thus reducing the visual acuity of those patients whose corneal curvature has been modified. Should the crystalline lens be modified and should the intraocular lens power be adequately calculated to achieve emetropia, ophthalmology faces then a new challenge. The intraocular lens calculation in patients with corneal refractive surgery is much more complex since, in addition to extreme axial lengths, there are factors derived from the previous surgery that alter predictability of the visual result, with the use of existing intraocular lens calculation formulae. Several methods have been so far described, which allow correctly determining the lens power to be implanted, depending on available data. This was the main reason for making a review of different publications to describe the main methods for intraocular lens calculation in these patients. Infomed platform, mainly the virtual library of health, was used with all its searchers.


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