bifocals

n.

双重焦点透镜，双光眼镜( bifocal的名词复数 )；

Can bifocals slow myopia progression?
Bifocals: Analyzing WebView Vulnerabilities in Android Applications
Bifocals: Analyzing WebView Vulnerabilities in Android Applications
Bifocals: Analyzing WebView Vulnerabilities in Android Applications
Efficacy of bifocals in the treatment of accommodative esotropia.
Atropine and bifocals can slow the progression of myopia in children.
The treatment of myopia with atropine and bifocals. A long-term prospective study.
Rates of childhood myopia progression with bifocals as a function of nearpoint phoria: consistency of three studies.
Using photopolymerization to achieve tunable liquid crystal lenses with coaxial bifocals
Baseline characteristics in the Myopia Progression Study, a clinical trial of bifocals to slow myopia progression.