Bifocal

 

biofocal_imgBifocal Lenses contain two different prescriptions in the same lens.

The primary purpose of bifocals is to provide the optimal balance between distance vision and near vision focusing needs. Bifocal lenses are available with the reading segments in a variety of shapes and widths including sunglasses bifocal options. The most popular reading bifocal is the Flat-Top (also known as straight-top or D-segment), 28 millimeters wide. Corr Optical offers a number of options for the bifocal lens wearer.


 

How to view through a bifocal lens

Shapes of Bifocal Lenses

Availability in Bifocal
Index
Clear Color Type Addition Power Range
1.67 Plastic Clear D28 1.00 to 3.00 -15.00D/ +7.00D
1.60 Plastic Clear C28 1.00 to 3.50&4.00 -15.00D/ +7.00D
-8.00D/ +8.00D
1.60 Plastic Clear D28 1.00 to 3.00 -12.00D/ +8.00D
1.59 Polycarbonate Clear D28 0.75 to 4.00 -12.00D/ +9.00D
1.53 Trivex Clear D28 1.00 to 3.50 -8.00D/ +7.50D
1.50 CR 39 Clear C28 0.75 to 3.50&4.00 -12.00D/ +10.00D
1.50 CR 39 Clear D28 0.75 to 4.00 -8.00D/ +7.50D
1.50 CR 39 Clear D35 0.75 to 3.50 -7.00D/ +7.00D
1.50 CR 39 Clear RT28 0.75 to 3.50 -6.00D/ +7.50D
1.50 CR 39 Clear Executive/RT 24 1.00 to 3.00
  Transitions
Clear Color Type Addition Power Range
1.50 CR 39 1.53 Trivex C28/ D28 1.00 to 3.00 -8.00D/ +7.50D
1.50 CR 39 Grey D35 0.75 to 4.00 -6.00D/ +7.50D
1.53 Trivex Grey D28 1.00 to 3.00 -8.00D/ +7.50D
 Polarised
Clear Color Type Addition Power Range
1.50 CR 39 Grey D28 1.00 to 3.00 -6.00D/ +6.00D
1.50 Polycarbonate Grey D28 0.75 to 3.50 & +4.00 -8.00D/ +6.50D
 Drivewear
Clear Color Type Addition Power Range
1.50 CR 39 Brown D28 1.00 to 3.00 -8.00D/ +7.50D
Sunlite
Clear Color Type Addition Power Range
1.50 CR 39 Grey D28 1.00 to 3.00 -6.00D/ +6.00D
 * Available upto 4cyl. only
Acclimates
Clear Color Type Addition Power Range
1.50 CR39 Grey/ Brown D28 1.00 to 3.00 -8.00D/ +7.50D
  Mineral
Clear Color Type Addition Power Range
1.52 Glass White D28/ C28 0.75to3.50 -8.00D/ +6.00D
1.52 Glass PGX/ PBX D28/ C28 0.75to3.50 -8.00D/ +6.00D
1.52 Glass White RT 25/ RT28 0.75to3.50 -6.00D/ +6.00D
1.52 Glass PGX/PBX RT28/ RT28 0.75to3.50 -6.00D/ +6.00D
1.52 Glass White Executive 1.00 to 3.00 -5.25D/ +4.00D
1.52 Glass PGX/PBX Executive 1.00 to 3.00 -5.250/ +4.00D
  MAX. +6.00 CYL.