Copenhagen 2016 Registration Programme Exhibitor Information Virtual Exhibition Satellite Meetings Glaucoma Day 2016 Hotel Star Alliance

10 - 14 Sept. 2016, Bella Center, Copenhagen, Denmark

This Meeting has been awarded 27 CME credits


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Quality of vision under low lighting conditions and in the presence of glare in phakic and pseudophakic population of different ages

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Session Details

Session Title: Presented Poster Session: Training and Innovation in Education/Quality of Vision Evaluation

Session Date/Time: Monday 12/09/2016 | 09:30-11:00

Paper Time: 09:40

Venue: Poster Village: Pod 3

First Author: : S.Escandón-García PORTUGAL

Co Author(s): :    F. Ribeiro   J. Gonzalez-Meijome           

Abstract Details


The purpose of this study was to evaluate the visual quality of phakic and pseudophakics eyes implanted with monofocal and multifocal IOL, under challenging conditions involving low lighting and glare sources.


The present study was conducted at the Ophthalmology Center in the 'Hospital da Luz' in Lisbon, Portugal.


Were evaluated 99 patients: 66 undergoing cataract extraction (average age: 67±7) divided in 2 groups (Monofocal and Multifocal IOLs), and 33 presbyopes divided in two age groups, 13 LOCS ≤ 2 classification (57±5), and 20 young presbyopes (49±5). A comprehensive ophthalmic evaluation was conducted followed by evaluation of Visual Acuity (VA), Photic Phenomena (LDA), Contrast Sensitivity (photopic and under glare conditions) and subjective McAlinden Quality of Vision questionnaire (QVQ) .


Phakic groups achieved better performance in metrics like contrast sensitivity and VA, although those pseudophakic groups of patients aimed similar performances. Frequency, severity and bothersome of night vision complaints were high in pseudophakic groups (both in monofocal and multifocal lenses) when compared with phakic individuals (average scores: 50, 49 and 34.5, respectively). LDA showed relevant differences between phakic groups with an average disturbance index of 13.11±5% (Young Presbyopes) and 19.8±9% (LOCS ≤ 2 ), compared to pseudophakic with monofocal (25.7±14) or multifocal IOLs (30.2±12).


Study of the visual quality of patients under night vision conditions and in the presence of glare requires the synergistic evaluation of subjective and objective metrics. LDA renders significantly different objective scores among phakic and pseudophakic patients implanted with different IOLs. Using the QVQ might not reflect such differences, particularly between peseudophakic patients implanted with monofocal and multifocal IOLs.

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