Trifocal Lenses
Three vision zones – for distance, intermediate, and near vision
What are Trifocal Lenses?
Trifocal lenses contain three different prescription powers – one for distance vision, one for intermediate vision, and one for near vision. They address a limitation of bifocals by adding an intermediate zone for tasks like computer work.
Trifocals are ideal for people who need clear vision at all three distances and prefer defined zones over the gradual transition of progressive lenses.
The Three Vision Zones
Distance Zone (Top)
For seeing far away – driving, watching TV, outdoor activities
Intermediate Zone (Middle)
For arm's length – computer screens, dashboards, cooking
Near Zone (Bottom)
For close-up work – reading, sewing, smartphone use
Benefits of Trifocals
Computer-Friendly
Intermediate zone perfect for screen work
Clear Defined Zones
No peripheral distortion like progressives
Complete Coverage
All three distances in one lens
Easy Adaptation
Many find them easier than progressives