Jennie Diec1, Daniel Tilia, Thomas Naduvilath, Ravi C Bakaraju. 1. Brien Holden Vision Institute (J.D., D.T., T.N., R.C.B.), Sydney, Australia; and School of Optometry and Vision Sciences (D.T., R.C.B.), Sydney, Australia.
Abstract
OBJECTIVE: To investigate if initial multifocal contact lens (MFCL) performance predicts short-term dispensing performance. METHODS: A retrospective analysis of 55 participants (Px) in a masked, crossover, clinical trial, using ACUVUE OASYS for Presbyopia and AIR OPTIX AQUA Multifocal. Subjective questionnaires were administered at the following instances: initial fitting, two take home questionnaires (THQ) completed between days 2 and 4 and at assessment, ≥5 days after fitting. Questionnaires included vision clarity and lack of ghosting at distance, intermediate and near at day/night time points rated on a 1 to 10 (1-step, 10 most favorable) rating scale. Vision stability, vision while driving, overall vision satisfaction, willingness to purchase and comfort, as well as acuity-based measures were also collected. RESULTS: There were no statistical differences in comfort and vision at all distances, in vision stability or driving at either time points between THQ and assessment (P>0.05). However, there was a statistical decline in subjective overall vision satisfaction and comfort between fitting and assessment visits (P<0.001). Willingness to purchase remained the same at fitting and assessment in 68% of Px, whereas only 4% of Px converted to a positive willingness to purchase at assessment. The majority of acuity-based measures remained constant between fitting and assessment visits. CONCLUSION: Initial performance at fitting was not able to predict short-term performance of MFCL. Subjective measures peaked at fitting and declined thereafter whereas acuity-based measures remained constant. Utility of subjective rating tools may aid practitioners to gauge success of MFCL.
RCT Entities:
OBJECTIVE: To investigate if initial multifocal contact lens (MFCL) performance predicts short-term dispensing performance. METHODS: A retrospective analysis of 55 participants (Px) in a masked, crossover, clinical trial, using ACUVUE OASYS for Presbyopia and AIR OPTIX AQUA Multifocal. Subjective questionnaires were administered at the following instances: initial fitting, two take home questionnaires (THQ) completed between days 2 and 4 and at assessment, ≥5 days after fitting. Questionnaires included vision clarity and lack of ghosting at distance, intermediate and near at day/night time points rated on a 1 to 10 (1-step, 10 most favorable) rating scale. Vision stability, vision while driving, overall vision satisfaction, willingness to purchase and comfort, as well as acuity-based measures were also collected. RESULTS: There were no statistical differences in comfort and vision at all distances, in vision stability or driving at either time points between THQ and assessment (P>0.05). However, there was a statistical decline in subjective overall vision satisfaction and comfort between fitting and assessment visits (P<0.001). Willingness to purchase remained the same at fitting and assessment in 68% of Px, whereas only 4% of Px converted to a positive willingness to purchase at assessment. The majority of acuity-based measures remained constant between fitting and assessment visits. CONCLUSION: Initial performance at fitting was not able to predict short-term performance of MFCL. Subjective measures peaked at fitting and declined thereafter whereas acuity-based measures remained constant. Utility of subjective rating tools may aid practitioners to gauge success of MFCL.
Authors: Hannah R Gregory; Augustine N Nti; James S Wolffsohn; David A Berntsen; Eric R Ritchey Journal: Optom Vis Sci Date: 2021-03-01 Impact factor: 2.106
Authors: Danny Kho; Cathleen Fedtke; Daniel Tilia; Jennie Diec; Jennifer Sha; Varghese Thomas; Ravi C Bakaraju Journal: Clin Optom (Auckl) Date: 2018-01-11
Authors: Laura Remón; Pablo Pérez-Merino; Rute J Macedo-de-Araújo; Ana I Amorim-de-Sousa; José M González-Méijome Journal: J Ophthalmol Date: 2020-03-27 Impact factor: 1.909