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Bifocal Contact Lenses – The Best Solutions for Presbyopia
Bifocal contact lenses are the solutions for Presbyopia.
A bifocal contact lens functions very much like a bifocal eyeglass.
It has two powers on one lens – one to rectify distance vision and the other to rectify the near vision.
Bifocal contacts are available in both soft and rigid gas permeable materials.
Different renowned brands like Acuvue and Ciba Vision have flooded the market. Each brand has its own specialty.
Wearing an Acuvue bifocal lens is a pleasing experience – you put it on and you forget about it.
Similarly, the Focus Dailies Progressives Contact Lenses from Ciba Vision offer great comfort.
They are daily disposable soft bifocal lenses.
You wear a bifocal lens for a day and replace the lens with another the next day. You are spared the monotony of cleaning the bifocal contacts regularly.
This reduces the chance of the build-up of pollen and other deposits and helps in keeping allergies at bay.
The bifocal contacts come in different designs
The simultaneous vision lens design is centered on the cornea and both the near and distance powers are within the pupil area.
In the concentric bi focal design, the center of the lens has distance power and the periphery of the lens has near power, or vice versa.
The alternating design, however, works like a bifocal eyeglass. In this bifocal lens, the top of the lens has one power and the bottom of the lens has another power.
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