Estudio clínico comparativo de los resultados visuales en dos lentes intraoculares bifocales

  1. A Lleó Pérez
  2. L Alonso Muñoz
  3. JA Sanchís Gimeno
  4. MA Marcos Jorge
  5. MS Rahhal
Revista:
Archivos de la Sociedad Española de Oftalmologia

ISSN: 0365-6691

Ano de publicación: 2003

Volume: 78

Número: 12

Páxinas: 665-673

Tipo: Artigo

DOI: 10.4321/S0365-66912003001200006 DIALNET GOOGLE SCHOLAR lock_openAcceso aberto editor

Outras publicacións en: Archivos de la Sociedad Española de Oftalmologia

Resumo

Purpose: To compare visual results after cataract surgery in patients who underwent bilateral implantation of two different types of bifocal intraocular lenses: the model 811E (Pharmacia), and the model MF4 (Ioltech). Methods: This prospective study comprised 99 patients who underwent phacoemulsification with bifocal IOL implantation. The model 811E was implanted in forty-seven eyes of 47 patients (group I) and the model MF4 in fifty-two eyes of 52 patients (group II). Visual acuity (distance and near), complications, and adverse events were measured. The postoperative follow-up in all patients was of 6 months. Patient satisfaction was also valued using a questionnaire. Results: There was no significant difference in uncorrected distance visual acuity between both groups, which was respectively 0.63 (S.D.: 0.2) for group I and 0.58 (S.D.: 0.16) for group II (p=0.17). Nonetheless a significant difference was found when measuring corrected distance visual acuity, which was 0.86 (S.D.: 0.1) for group I and 0.77 (S.D.: 0.12) for group II (p=0.01). Mean uncorrected near visual acuity was statistically better in group I: J2.00 (S.D.:1.16) in comparison with J2.48 (S.D.:0.83) for group II (p=0.021). Subjectively, both groups indicated high levels of satisfaction, without significant difference between them, being respectively 78% (group I) and 73.4% (group II). Conclusions: Our results reveal a superiority of the bifocal diffractive lens over the refractive bifocal lens for corrected distance visual acuity and distance-corrected near visual acuity. Postoperatory complications and satisfaction degree were similar for both IOL models.

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