A STUDY ON VISUAL ACUITY OUTCOME ANALYSIS OF PATIENTS WITH APODIZED DIFFRACTIVE MULTIFOCAL IOL IN TERTIARY CARE CENTRE
Journal Title: Journal of Evolution of Medical and Dental Sciences - Year 2018, Vol 7, Issue 47
Abstract
BACKGROUND The success of performing modern cataract surgery, where the technique and technology that goes hand in hand has increased, the expectation of patients towards spectacle independence has increased. In the earlier years, multifocal IOLs were used extensively. But the outcome was surprisingly suboptimal in the form of post-op refractive surprises, spectacle dependency, reduced reading speed, reduced level of contrast sensitivity and most alarmingly the photic phenomena (halos, glare, starburst etc.). Then started the evolution of various types of multifocal IOLs, i.e. Refractive IOLs, diffractive IOLs, diffractive-refractive IOLs, accommodative IOLs, IOLs with extended depth of focus etc. Aim- To analyse the visual acuity outcome of apodized diffractive multifocal IOL of patients and their satisfaction level. Single surgeon retrospectively enrolled patients for bilateral implantation of apodized multifocal IOL. MATERIALS AND METHODS Casual acuity assessment in the post-operative period include distant vision and near vision. Patient’s satisfaction was surveyed at the end of three months and one year after cataract surgery by means of a questionnaire. Two hundred and fifty patients of both sexes of age group 40 to 90 were enrolled. Their distant vision and near vision were assessed at one month, three months and one year post-operatively using Snellen visual acuity chart and document. The mean patient satisfaction in the form of reading speed, spectacle independence, to perform their hobbies etc. were assessed using a questionnaire called Response Rating Scale. Patients were highly satisfied with their vision and spectacle independence. RESULTS 35.6 percent of patients had 6/6 nil glasses. 38.8 percentage of them had 6/9 vision and 2.8 percentage were unhappy patients. None of them needed their multifocal IOL explanted. CONCLUSION In summary, though most patients achieve spectacle independence with MF IOL, some have unsatisfactory visual outcome. If from day 1 to till 1-month post-operative period, patient is not happy with the visual outcome or experience, a very disturbing photic phenomenon IOL explanation is suggested.
Authors and Affiliations
Ramesh Rajasekaran, Ashok Balagopal, Meenakumari Meenakumari, Prasanna Venkatesh Ramesh, Kalai Mohan
Keywords
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- EP ID EP548171
- DOI 10.14260/jemds/2018/1136
- Views 52
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