Abstract：
PURPOSE:To assess the effects of multifocal soft contact lenses (MF SCLs) used for myopia control on visual acuity (VA) and subjective quality of vision. METHODS:Twenty-four young adult myopes had baseline high and low-contrast VAs and refractions measured and quality of vision assessed by the Quality of Vision (QoV) questionnaire with single vision SCLs. Additional VA and QoV questionnaire data were collected immediately after subjects were fitted with Proclear MF SCLs and again after a 2-week adaptation period of daily lens wear. Data were collected for two MF SCL designs, incorporating +1.50 and +3.00 D peripheral near additions, with a week washout period allowed between the two lens trials. RESULTS:High- and low-contrast VAs were initially reduced with both MF SCL designs, but subsequently improved to be not significantly reduced in the case of high-contrast VA by the end of the 2-week adaptation period. The quality of vision was also reduced, more so with the +3.00 D MF SCL. Quality of Vision (QoV) scores describing frequency, severity and bothersome nature of visual symptoms indicated symptoms worsening rather than resolving over the 2-week period, particularly so with the +3.00 D MF SCL. CONCLUSION:Low and high add MF SCLs adversely affected vision on initial insertion, with sustained effects on low-contrast VA and QoV scores but not high-contrast VA. Thus, high-contrast VA is not a suitable surrogate for quality of vision. In prescribing MF SCLs for myopia control, clinicians should educate patients about these effects on vision.
journal_name
Acta Ophthalmoljournal_title
Acta ophthalmologicaauthors
Kang P,McAlinden C,Wildsoet CFdoi
10.1111/aos.13173subject
Has Abstractpub_date
2017-02-01 00:00:00pages
e43-e53issue
1eissn
1755-375Xissn
1755-3768journal_volume
95pub_type
杂志文章abstract：PURPOSE:To perform in vivo imaging of the Schlemm's canal (SC) with anterior segment spectral-domain optical coherence tomography [AS-spectral-domain (SD)-OCT] and also to measure its biometric parameters including the SC length and SC area in patients with pseudoexfoliation (PEX) glaucoma. METHODS:Forty-one consecuti...
journal_title：Acta ophthalmologica
pub_type： 杂志文章
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pub_type： 杂志文章,随机对照试验
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pub_type： 杂志文章,随机对照试验
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