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Adam Glasses
Adam Glasses
$29.00
Aria Glasses
Aria Glasses
$29.00

Characteristics of Bifocal Glasses

Introduction: Those prescription glasses having such lenses which possess two separate optical powers are known as bifocal glasses. These are most suitable for those individuals who suffer from multiple problems of eyes such as myopia and hyper myopia. These glasses help the individual who is wearing them in multiple ways. This is because the wearer can see both distant and nearby objects clearly with the help of these glasses.

History of Bifocal Glasses

Glass lenses used as magnifiers date back to about 300 BC but the first eyeglasses to aid vision were invented in Italy by Alessandro Della Spina and Alvino Degli Armati. Convex lenses were prescribed for far sightedness whereas concave lenses were used to aid near sightedness.