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द्विफ़ोकसी Meaning in English



द्विफ़ोकसी शब्द का अंग्रेजी अर्थ : biphoxi
, bifocal


द्विफ़ोकसी इसके अंग्रेजी अर्थ का उदाहरण

A bifocal lens could be considered a simple example.


In 1781, Peter Dollond made bifocal spectacles.


Multiple focal lengths are accepted in the form of bifocals, trifocals, vari-focals, and cylindrical components for astigmatism.



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