4 doctors weighed in:

Multi-focal lenses for presbyopia - what are some of the drawbacks for having them?

4 doctors weighed in
Dr. Richard Bensinger
Ophthalmology
1 doctor agrees

In brief: Less contrast

I am guessing you mean the use of multifocal contact lenses.
These consist of a series of concentric rings every other being a near or far power. Most adjust well to these but they do lower the light input for each distance which creates a diminution in the function called contrast sensitivity. This is not something too common as a problem and affects only extremes of vision.

In brief: Less contrast

I am guessing you mean the use of multifocal contact lenses.
These consist of a series of concentric rings every other being a near or far power. Most adjust well to these but they do lower the light input for each distance which creates a diminution in the function called contrast sensitivity. This is not something too common as a problem and affects only extremes of vision.
Dr. Richard Bensinger
Dr. Richard Bensinger
Thank
Dr. Val Zudans
Ophthalmology

In brief: Multifocal lenses

Multifocal lenses are available in contact lenses and lens implants at the time of cataract surgery; many like them. They work by "simultaneous vision, " where there are 2 simultaneous focal points.
You increase the range of vision in exchange for a decrease in contrast sensitivity / sharpness. Rings and halos are common at night. Reading can be very light dependent (better with bright light).

In brief: Multifocal lenses

Multifocal lenses are available in contact lenses and lens implants at the time of cataract surgery; many like them. They work by "simultaneous vision, " where there are 2 simultaneous focal points.
You increase the range of vision in exchange for a decrease in contrast sensitivity / sharpness. Rings and halos are common at night. Reading can be very light dependent (better with bright light).
Dr. Val Zudans
Dr. Val Zudans
Thank
Dr. Ilan Cohen
Ophthalmology

In brief: Contacts/IOLs

Are you referring to multifocal contact lenses or multifocal iols for cataract surgery?

In brief: Contacts/IOLs

Are you referring to multifocal contact lenses or multifocal iols for cataract surgery?
Dr. Ilan Cohen
Dr. Ilan Cohen
Thank
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