Rodríguez SB, Ferro HD, González MJ, Machado FI, Medina PM, Llanes RR

Language: Spanish
References: 25
Page: 1-10
PDF size: 276.65 Kb.

ABSTRACT

Objective: describe visual quality results related to improved chromatic discrimination, stereopsis and contrast sensitivity after phaco-refractive surgery in hyperopic patients aged over 40 years, and determine whether substantial visual improvement is achieved in visual function parameters according to psychophysical studies.
Methods: a prospective longitudinal descriptive study was conducted of 70 presbyopic hyperopic patients with good corrected vision undergoing surgery from January to December 2016 at the Microsurgery Service of "Ramón Pando Ferrer" Cuban Institute of Ophthalmology, who experienced subjective quality of life improvement on reducing their dependence on eyeglasses. Contrast sensitivity was evaluated with the Pelli-Robson chart, chromatic discrimination with the Farnsworth Munsell 100-Hue test and stereopsis with The Netherlands Organization test.
Results: significant improvement was observed in all the tests performed. Contrast sensitivity rose from a preoperative mean of 1.44 cd/m2 to 1.56 cd/m2 in the postoperative period. Results of the FMH-100 test improved both quantitatively and qualitatively (from 142.06 errors in the preoperative period to 52.91 in the postoperative period); average discriminators prevailed with 50 patients and 13 high discriminators; stereopsis improved after surgery with and without glasses, which could be quantified.
Conclusions: objective quality of life improvement is observed in hyperopic patients after refractive lensectomy, as is evidenced by chromatic discrimination, stereopsis and contrast sensitivity results.

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