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Is there a difference in bifocal (multifocal and trifocal contact)

This is a discussion on Is there a difference in bifocal (multifocal and trifocal contact) within the Gas Permeable Contact Lenses forums; Let me explain what I've been dealing with since last July with my current doctor, ...


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  #1 (permalink)  
Old 05-08-2012, 02:35 PM
Contact Lenses Forum - Junior
 
Join Date: May 2012
Posts: 110
Default Is there a difference in bifocal (multifocal and trifocal contact)

Let me explain what I've been dealing with since last July with my current doctor, first we started out trying soft contacts, tried difference brands, even tried monovision and had no luck whatso ever, then I finally went back to the dr and told him that the soft contact I did get were not working well we tried RGP's and this is the 4th time and saturday will be maybe the 5th time going back, is it possible that contacts are not for everyone or is this guy have no clue what he's going, I have gotten used to the RGP's but still can not read a newspaper, see my phone clearly and can't see the computer, my vision immerdiate and far away I can see big things but as far as small stuff no luck. So my question, what kinds of rgp's bifocal, multifocal, trifocals, are multi and trifocals the same.

If I go again on saturday and he can't get it right I'm going elswehere, I do so desperatly want to wear contacts and would like to ditch the glasses if possible.

Thanks.
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Old 05-08-2012, 11:25 PM
Contact Lenses Forum - Ph.D.
 
Join Date: Nov 2011
Posts: 2,379
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Sounds bizarre that he had to re-fit you soooo many times. Bifocal multfocal and trifocal are terms used loosely to describe near intermediate and distance correction.......! As for soft contact lenses they only come concentric or aspheric concentric. Rgp lenses can be made in either and can also be made in a translating style with distance on top and near on the bottom where the rgp lens shifts up or down depending on the gaze.


Multifocal rgp lenses are more ideal for someone with med to smaller pupil sizes and low to med add powers. Translating are for larger pupil sizes and higher add powers. Because of the corrections the mid range intermediate correction is automatically corrected with your distance correction.trifocal power is not necessary in a contact lens.hope this helps.
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Old 05-09-2012, 06:01 AM
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Join Date: May 2011
Posts: 42
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I have worn HCLs for 30+ years.

...cheaters...
either from Wal-Mart,
or custom if need be.
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Old 05-09-2012, 08:59 AM
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Join Date: Dec 2007
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Quote:
Originally Posted by lisaweney474 View Post
Let me explain what I've been dealing with since last July with my current doctor, first we started out trying soft contacts, tried difference brands, even tried monovision and had no luck whatso ever, then I finally went back to the dr and told him that the soft contact I did get were not working well we tried RGP's and this is the 4th time and saturday will be maybe the 5th time going back, is it possible that contacts are not for everyone or is this guy have no clue what he's going, I have gotten used to the RGP's but still can not read a newspaper, see my phone clearly and can't see the computer, my vision immerdiate and far away I can see big things but as far as small stuff no luck. So my question, what kinds of rgp's bifocal, multifocal, trifocals, are multi and trifocals the same.

If I go again on saturday and he can't get it right I'm going elswehere, I do so desperatly want to wear contacts and would like to ditch the glasses if possible.

Thanks.
What kind of vision correction do you need? Do you need help reading and seeing far away?
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Old 05-09-2012, 09:04 AM
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Join Date: May 2012
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I can see with the current contacts but they are blurry, I can see big things far away, but anything that is small like computer, reading a newspaper and my phone they are not clear, so basically I can't see close, can see big for distance. Does that make sense.
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Old 05-09-2012, 09:53 AM
Contact Lenses Forum - Ph.D.
 
Join Date: Nov 2011
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Quote:
Originally Posted by lisaweney474 View Post
I can see with the current contacts but they are blurry, I can see big things far away, but anything that is small like computer, reading a newspaper and my phone they are not clear, so basically I can't see close, can see big for distance. Does that make sense.
What I was getting at was that........ With rgp lenses the total corrective power is from the lens combined with the tear pool underneath the lens so is a power and fit issue. Sometimes reducing the distance power can bring focus back to the near correction. Sometimes this happens when a contact lens is on yer eye and all of a sudden u have difficulty reading close but fine with glasses. You may be an early presbyope. This phenomenon is quite normal.

As an ecp I would fit you with a Multifocal lens but its really odd to me that your ecp has tried so many times to fit you and still hasn't gotten it right yet. There is mild blurring during the adaptation process but by no means u still should be able to see clearly.

Last edited by luvbostonxo2's; 05-09-2012 at 11:50 AM..
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Old 05-09-2012, 10:04 AM
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Join Date: May 2012
Posts: 110
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I totally agree it should not take this long, the pair that I have now when I was in the Dr's office last time I told him I could not read close up clearly and he put a lense over the contact and it became clear, but when I got the contacts it was not clear, so he's doing something wrong, the glasses I have are from the same dr and they are 2 years old and they were good up until a year ago tha's why I decided to try contacts but now they are horrible I can't see well with them and they are bifocals, so after this last visit on saturday, this pair don't work I'm done with this guy, will get a refund for the soft contacts I have and will use that towards some new lenses and when I become eligible in July I'm going to another dr, I called another dr yesterday and explained my suitation and she asked me if I had an angistitam and I asked her what they was and she told me, this dr don't tell me nothing, I have no idea what the RX is and if I have mypoia or angistasm. So I'm done with him after this.
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Old 05-09-2012, 11:54 AM
Contact Lenses Forum - Ph.D.
 
Join Date: Nov 2011
Posts: 2,379
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Quote:
Originally Posted by lisaweney474 View Post
I totally agree it should not take this long, the pair that I have now when I was in the Dr's office last time I told him I could not read close up clearly and he put a lense over the contact and it became clear, but when I got the contacts it was not clear, so he's doing something wrong, the glasses I have are from the same dr and they are 2 years old and they were good up until a year ago tha's why I decided to try contacts but now they are horrible I can't see well with them and they are bifocals, so after this last visit on saturday, this pair don't work I'm done with this guy, will get a refund for the soft contacts I have and will use that towards some new lenses and when I become eligible in July I'm going to another dr, I called another dr yesterday and explained my suitation and she asked me if I had an angistitam and I asked her what they was and she told me, this dr don't tell me nothing, I have no idea what the RX is and if I have mypoia or angistasm. So I'm done with him after this.
Agreed...I am glad u were able to find another ecp that can fit rgp lenses. What is going on with your power is that there is over refraction taking place. So your fit may be fine but the power is off.
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