Bifocal Lenses Explained at Dennis Trout blog

Bifocal Lenses Explained. The upper portion of the lens. The term “bifocal” literally means two focuses: A bifocal lens corrects two refractive errors simultaneously (farsightedness and nearsightedness) by incorporating two different optic zones. Bifocal glasses are specially crafted eyewear that combines two different prescriptions into a single lens. One for viewing objects at a distance, and another for seeing things up close. This type of glass comprises two lens powers offering optical correction for long and short sight distance. Think of them as the same as your ordinary single prescription. Bifocals are glasses that correct this issue by including two lens powers (or strengths) in each lens.

Bifocal and Progressive Lenses Explained REKS®
from reks.com

The term “bifocal” literally means two focuses: This type of glass comprises two lens powers offering optical correction for long and short sight distance. Bifocals are glasses that correct this issue by including two lens powers (or strengths) in each lens. Think of them as the same as your ordinary single prescription. Bifocal glasses are specially crafted eyewear that combines two different prescriptions into a single lens. A bifocal lens corrects two refractive errors simultaneously (farsightedness and nearsightedness) by incorporating two different optic zones. The upper portion of the lens. One for viewing objects at a distance, and another for seeing things up close.

Bifocal and Progressive Lenses Explained REKS®

Bifocal Lenses Explained Bifocals are glasses that correct this issue by including two lens powers (or strengths) in each lens. Think of them as the same as your ordinary single prescription. A bifocal lens corrects two refractive errors simultaneously (farsightedness and nearsightedness) by incorporating two different optic zones. Bifocal glasses are specially crafted eyewear that combines two different prescriptions into a single lens. Bifocals are glasses that correct this issue by including two lens powers (or strengths) in each lens. This type of glass comprises two lens powers offering optical correction for long and short sight distance. One for viewing objects at a distance, and another for seeing things up close. The term “bifocal” literally means two focuses: The upper portion of the lens.

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