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Revista Cubana de Oftalmología
versión impresa ISSN 0864-2176
Resumen
ANDUJAR COBA, Patricia; LANTIGUA MALDONADO, Isabel C; HORMIGO PUERTAS, Iraisi Francisca y FERNANDEZ GARCIA, Keyly. Monovision with monofocal intraocular lens in prebyopic patients. Rev Cubana Oftalmol [online]. 2010, vol.23, suppl.2, pp. 781-789. ISSN 0864-2176.
OBJECTIVES: To describe the refractive results achieved in presbyopic patients, both hyperopic and myopic, with monovision METHODS: A prospective, longitudinal and descriptive study was carried out in 21 patients, 13 myopic and 8 hyperopic, who underwent lens surgery to correct presbyopia based on the monovision procedure at the Microsurgery Service of the "Ramón Pando Ferrer" Cuban Institute of Ophthalmology from February 2009 to February 2010. The variables were pre and postoperative visual acuity with/without correction, both near and distant, and spheral equivalents. Mean and standard deviation values were used to present all variables. RESULTS: It was found that average visual acuity with correction improved from 0,7 and 0,9 in myopic and hyperopic patients respectively to 0,88 and 0,94 of binocular visual acuity without correction in the postoperative phase, thus correcting their average spheral equivalents of 8,27 diopters (D) and +6,26 D in each group. The average visual acuity for near vision for both groups was Jeager (J) 2 and the average spheral equivalents reached for distant vision were -0,32 D for myopic and +0,26 D for hyperopic patients. For near vision, i.e. in the non- dominant eye, the spheral equivalent values were 1,6 D for the first group and 1,3 D for the second group. CONCLUSIONS: After surgery there was an undoubted improvement in visual acuity without correction, in near as well as in distant vision. Spherical equivalents were widely modified for both groups in both the dominant and the non-dominant eye, improving vision at both distances. The achieved results corroborate that the benefits brought about by monovision in near vision are more important than the damages it causes in distant vision, making it very successful for certain groups of patients.
Palabras clave : Monovision; presbyopia; phacorefractive surgery; monofocal intraocular lens.