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Concept
Bifocal Lenses
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Summary
Bifocal Lenses
are designed to correct vision for both
Near and far distances
by incorporating two distinct
Optical powers
within a
Single lens
. They are commonly prescribed for individuals with presbyopia, allowing them to see clearly at
Varying Distances
without switching between
Different pairs of glasses
.
Concepts
Presbyopia
Optical Power
Refractive Index
Lens Design
Ophthalmology
Vision Correction
Accommodation (eye)
Multifocal Lenses
Visual Acuity
Presbyopia Correction
Relevant Degrees
Ophthalmology 70%
Optical Apparatus and Instruments 30%
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