Surgical correction of presbyopia is possible via the implantation of multifocal intraocular lenses after removal of the crystalline lens. The cost of these implants is approximately 6 times higher than the conventional monofocal implants routinely used in all crystalline surgery for correction of the resulting ametropia. Spectacles for correcting presbyopia, which are necessary after the insertion of monofocal implants, may also have a significant cost. The proposed trial will involve two randomized groups of patients in need of crystalline/cataract surgery, with monofocal or multifocal lens implants (the same type of lens in both eyes) leaving them emmetropic for distant vision. The objective is to corroborate with blind-evaluation the effectiveness of multifocal lens implants in obviating the need for glasses to correct presbyopia, to evaluate the benefits of this type of implant, both in global economic terms (adding the cost of the implants to that of corrective glasses where necessary) and in terms of the improved quality of life of the patients, and to confirm the absence of adverse effects. Findings will be subjected to a statistical quantification.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
120
Implantation of multifocal or monofocal IOL
Hospital Clinic. Casa Maternitat
Barcelona, Barcelona, Spain
Hospital Clinic. Casa maternitat
Barcelona, Barcelona, Spain
Visual function quality (VF-14)
Time frame: At 1 and 3 months post-intervention
Visual acuity with and without correction
Time frame: at 1 and 3 months post-intervention
Determine Expense in glasses
Time frame: at 3 months post-intervention
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