Difference between revisions of Bifocals
Jump to navigation
Jump to search
no edit summary
m (Reverted edits by Yang (talk) to last revision by Viceroy Sam) Tag: Rollback |
No edit summary |
||
Line 1: | Line 1: | ||
Bifocals are glasses that have two different strengths of lenses depending on where you look through the lens. Typically bifocals for [[presbyopia]] and [[myopia]] have the lower section (for use during reading) 1-2 [[diopters]] weaker than the upper section. | Bifocals are glasses that have two different strengths of lenses depending on where you look through the lens. Typically bifocals for [[presbyopia]] and [[myopia]] have the lower section (for use during reading) 1-2 [[diopters]] weaker than the upper section. | ||
The | The Reduced Lens method uses separate [[differentials]] and [[normalized]] lenses rather than bifocals, making it easier to adjust your [[lens selections]] separately. | ||
=Multifocals= | =Multifocals= |