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A comparative study between accommodative, multifocal and monofocal intraocular lenses in respect to their effects on visual field, contrast sensitivity and glare
Session Title: Multifocal IOL results
Session Date/Time: Sunday 06/10/2013 | 14:30-16:00
Paper Time: 15:48
Venue: Forum (Ground Floor)
First Author: : S.Guven Yilmaz TURKEY
Co Author(s): : M. Masarogullar? S. Kose B. Yuce
To compare the effects of accommodative, multifocal and monofocal intraocular lenses on subjective visual functions such as visual field, contrast sensitivity and glare after cataract removal.
Ege University Faculty of Medicine, Department of Ophthalmology, Izmir, Turkey
Patients who had been implanted accommodative, multifocal or monofocal intraocular lenses between 2010-2012 in our clinic were examined. Twenty one eyes which had been followed up at least 6 months included in this study. We compared the visual field, glare and contrast sensitivity of 7 eyes in each groups.
The mean age of 11 (52%) male, 10 (48%) female patients was 60.3±13.5 years. The mean follow up time of 21 patients was 8.9±2.4 months. There were no difference between groups with in terms of age, gender and best corrected distance visual acuity (p>0.05). There was a manifest trend to decrease in contrast sensitivity curve beginning from low spatial frequencies (1 cycle/degree) in multifocal group. Contrast sensitivity curve was mildly decreased to baseline of normal range beginning from medium-high spatial frequencies (2 and 3 cycle/degree) in accommodative and monofocal groups. Considering visual fields relative deficiencies in paracentral threshold values outside the central 10 degrees in multifocal group and near normal threshold values in accommodative and monofocal groups were pointed out. Glare scores were 62% in multifocal, 79% in accommodative and 80% in monofocal groups respectively. There was no statistically significant relation between accommodative and monofocal groups for glare score but multifocal group has lower glare score than both accommodative and monofocal groups significantly (p <0.05).
Multifocal intraocular lenses are significantly worse than accommodative and monofocal intraocular lenses in terms of subjective visual functions such as visual field, contrast sensitivity and glare, but accommodative and monofocal intraocular lenses have similar effects on these functions.