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Revista Cubana de Oftalmología
versión On-line ISSN 1561-3070
Resumen
VEITIA ROVIROSA, Zucell Ana et al. Results of intraocular lens calculation with the Holladay 2 formula in cataract patients. Rev Cubana Oftalmol [online]. 2020, vol.33, n.3 Epub 02-Nov-2020. ISSN 1561-3070.
Objective:
Determine refractive results in patients undergoing cataract surgery based on intraocular lens dioptric power calculation with the Holladay 2 formula.
Methods:
A prospective longitudinal descriptive study was conducted of 222 eyes of 173 patients undergoing cataract surgery by phacoemulsification technique. IOL Master 700 and the Holladay 2 formula were used for lens calculation.
Results:
There was a predominance of the female sex and the over-60 years age group. The postoperative period was characterized by improvement in visual acuity without correction and corrected of more than 4 lines on the Snellen chart, regardless of axial length, with no significant changes in the keratometric cylinder. In 69.0% of the cases, the final refractive result was within the range of emmetropia. Eyes larger than 26 mm displayed a spherical equivalent reduction above 6 diopters postoperative, whereas eyes smaller than 22 mm showed the greatest difference between the dioptric power of the intraocular lens implanted and the one suggested by the conventional formula.
Conclusion:
The Holladay 2 formula is useful for intraocular lens calculation in all axial length ranges.
Palabras clave : Phacoemulsification; intraocular lens calculation; Holladay 2 formula.