At ReadingGlassesEtc.com we offer a range of non-prescription multi-focal reader lenses with many lens options. You can get these lenses in just about any of our full-rimmed frames. There are hundreds of frames to choose from. There are advantages and disadvantages with bifocal reader lenses. One reason is that they are not prescription lenses. They are the same power in each eye. If you require prescription multi-focals we provide Rx alternatives...
FT28 Bifocal Reader Lenses ($10 Additional)
Zero Power Top / Reading Power Bottom
There is a 28mm line in the lenses below your eyes. There are 2 distinct fields. These allow you to watch TV for example, and read at the same time.
The bottom reading power is typically chosen for 12-14 inches away. Reading powers run from +1.00 to +3.00 in quarter diopter steps.
Advantages:
- Can be used anywhere. (Provided you don't require a distance prescription.)
- Clear lenses or use as bifocal sunglasses with a sunglass tint or photochromic lens option.
- Wide reading area.
- Very affordable.
Disadvantages:
- There is a visible line that some people feel is not cosmetically appealing.
- There are only 2 fields of vision with no "in-between" powers.
- There can be a sensation of "image jump" when looking up and down.
- They do not correct any astigmatism you might need corrected.
- Same powers in each eye where you might need different powers.
Prescription lens alternatives: SHAMIR DUO No-Line Bifocal Lenses - The Shamir Duo is a new bifocal lens with no line and no image jump. These lenses provide very wide viewing fields and are available with a wide range of lens options including blublock features.
Line-Free Bifocal Lenses (Progressives) ($50 Additional)
No-Line Bifocal (Progressive) Reader Lenses have no power at the top of the lens and reading at the bottom. The bottom reading power is typically chosen for 12-14 inches away. Reading powers run from +1.00 to +3.00 in quarter diopter steps. We require your PD measurement to insure that the progressive channel lines up properly below your eyes.
Advantages:
- Provides intermediate magnification starting from the middle of the lenses increasing to reading at the bottom.
- Wide intermediate and reading area.
- Cosmetically appealing as there is no visible line.
- Very affordable.
Disadvantages:
- Reading area not as wide as FT28 lined bifocal.
- Some people don't like the "feel" of progressive lenses.
- They do not correct any astigmatism you might need corrected.
- Same powers in each eye where you might need different powers.
Prescription lens alternatives:
Prescription Progressive Lenses - A wide variety of premium progressives with many lens options that provide superior visual acuity.
FT28 Computer Bifocal Lenses ($10 Additional)
Computer Power Top / Reading Power Bottom
Computer bifocal lenses provide some magnification at the top of the lens and full reading power at the bottom. You choose the combination of top/bottom powers in our stock selection which runs from +0.25 Top / +1.25 Bottom to +2.00 Top / +4.00 Bottom.
Generally speaking, you want about half the reading power at the top. Ex. +1.00 Top / +2.00 Bottom. The choice is yours but limited to our stock lens choices.
Advantages:
- Provides some magnification at the top of the lenses for computer or other intermediate use.
- Wide intermediate (top) and reading area (.
- Very affordable. (One pair of glasses versus 2, reading and computer.)
- Great for computer use or any task requiring both intermediate and near magnification.
Disadvantages:
- Task oriented with no "distance" power. Take them off when you view distance.
- There is a visible line that some people feel is not cosmetically appealing.
- There are only 2 fields of vision with no "in-between" powers.
- There can be a sensation of "image jump" when looking up and down.
Prescription lens alternatives: SHAMIR Computer or Workspace Lenses
Line-Free Computer Bifocals ($50 Additional)
Line Free Computer bifocal lenses are progressive lenses that provide some magnification at the top of the lens and full reading power at the bottom. You choose the combination of top/bottom powers in our stock selection which runs from +0.25 Top / +1.25 Bottom to +2.00 Top / +4.00 Bottom. We require your PD measurement to insure that the progressive channel lines up properly below your eyes.
Generally speaking, you want about half the reading power at the top. Ex. +1.00 Top / +2.00 Bottom. The choice is yours but limited to our stock lens choices.
Advantages:
- Provides some magnification at the top of the lenses for computer or other intermediate use.
- Increase in powers from top to bottom allows variable viewing.
- Wide intermediate and reading area.
- Very affordable. (One pair of glasses versus 2, reading and computer.)
Disadvantages:
- Task oriented with no "distance" power.
- You have to take the glasses of to view distance,
Prescription lens alternatives: SHAMIR Computer or Workspace Lenses
BIFOCAL/COMPUTER BIFOCAL LENS OPTIONS
All four of the above lens types are available as clear lenses with no lens options. You can opt for these lens options:
- Cosmetic Tints
- Mojo BluBlock Tints
- Mojo STD AR (standard, non-blublock) Anti-reflective coating
- Mojo Photochromic Grey AR (Lightens and darkens outdoors)
HOW TO SHOP:
- Search for a full rim frame.
- Choose your lens type.
- Choose a lens option if you want one.
- No-Line Bifocals and Your PD Measurement - Select 'Measure My PD Remotely' and we will send you instructions. (It's very easy.)
Prescription multifocal lenses are available with a much wider range of lens options. For more information see:
PRESCRIPTION PROGRESSIVE LENSES
PRESCRIPTION OCCUPATIONAL LENSES
Need some advice? PRESCRIPTION EVALUATION
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Steve Mower is a licensed dispensing Optician and creator of Mojo BluBlock Tints. Steve has over 30 years experience in the optical field. He has been a optical retail manager and has consulted on progressive lens development. Steve has been offering unique reading glasses solutions on-line since 2010. Steve is a member of Opticians Association of Virginia and Opticians Association of America. |
