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Eye Care Archive (Expert Forum)
Rezoom and Lasik??
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Rezoom and Lasik??
by JustWant2See, Mar 20, 2007 12:00AM
I had a ReZoom implant in one eye about 10 months ago. Lens got de-centered and I had another operation to fix the problem about 2 months ago. Doctor re-centered the lens, but said he had to move it forward in the eye slightly to get it to stay in place. This has caused me to become blurry at far distances, while still very good up close because of Rezoom. Dr. wants to do Lasik to correct vision in another couple months. To get me by until then, he gave me a prescription for new glasses to correct me to 20/20. These glasses do correct my far vision, but all my near vision is now completely gone, which defeats the whole reason I chose ReZoom over monofocal!
Question: Can Lasik be successfully done over a multi-focal lens? If so, will my ReZoom again give me good near and far vision after Lasik?
Also, how does it work to determine my glasses prescription with a phoropter when I have a multi-focal lens? Seems to me that there could be two possible prescriptions, depending on which "zone" of the ReZoom my brain was using while he was making the measurements (which relates to pupil size, etc.)? These two prescriptions would differ by the add-in power of the ReZoom near-focus zones (about 3.5 diopters?). Is it possible to use the "wrong" zone and then get incorrect prescription, and could this be causing the no-near vision problem I am seeing with my glasses?
Question: Can Lasik be successfully done over a multi-focal lens? If so, will my ReZoom again give me good near and far vision after Lasik?
Also, how does it work to determine my glasses prescription with a phoropter when I have a multi-focal lens? Seems to me that there could be two possible prescriptions, depending on which "zone" of the ReZoom my brain was using while he was making the measurements (which relates to pupil size, etc.)? These two prescriptions would differ by the add-in power of the ReZoom near-focus zones (about 3.5 diopters?). Is it possible to use the "wrong" zone and then get incorrect prescription, and could this be causing the no-near vision problem I am seeing with my glasses?
Doctor's Answer
by Forum-OD-MP, Mar 20, 2007 12:00AM
'Question: Can Lasik be successfully done over a multi-focal lens?'
yes
'If so, will my ReZoom again give me good near and far vision after Lasik?'
unpredictable...but if your near vision is bad with the new glasses on, then i'm pessimistic that the near vision will be good after lasik.
'Also, how does it work to determine my glasses prescription with a phoropter when I have a multi-focal lens?'
the same way its always worked. no phoropter or testing or glasses or laser procedure can really account for the diffractive patterns of the multifocal
'Seems to me that there could be two possible prescriptions, depending on which 'zone' of the ReZoom my brain was using while he was making the measurements (which relates to pupil size, etc.)?'
nope, sorry. not that easy. MUCH more complicated.
' Is it possible to use the 'wrong' zone and then get incorrect prescription, and could this be causing the no-near vision problem I am seeing with my glasses?'
again, way oversimplified. no, its not like that at all. diffraction patterns are way more complicated than just having 'two zones' or 'two prescriptions', etc. even if they explained it to you that way...
if you have lasik you are likely to lose your near vision (aince you said you have blurry vision up close with the new glasses on). this is not going to be easily fixed. possibly unfixable.
yes
'If so, will my ReZoom again give me good near and far vision after Lasik?'
unpredictable...but if your near vision is bad with the new glasses on, then i'm pessimistic that the near vision will be good after lasik.
'Also, how does it work to determine my glasses prescription with a phoropter when I have a multi-focal lens?'
the same way its always worked. no phoropter or testing or glasses or laser procedure can really account for the diffractive patterns of the multifocal
'Seems to me that there could be two possible prescriptions, depending on which 'zone' of the ReZoom my brain was using while he was making the measurements (which relates to pupil size, etc.)?'
nope, sorry. not that easy. MUCH more complicated.
' Is it possible to use the 'wrong' zone and then get incorrect prescription, and could this be causing the no-near vision problem I am seeing with my glasses?'
again, way oversimplified. no, its not like that at all. diffraction patterns are way more complicated than just having 'two zones' or 'two prescriptions', etc. even if they explained it to you that way...
if you have lasik you are likely to lose your near vision (aince you said you have blurry vision up close with the new glasses on). this is not going to be easily fixed. possibly unfixable.
Member Comments
by aimee37, Mar 21, 2007 12:00AM
To: JustWant2See
I had ReStor lense implanted in mid 2005. One of mine had to be recentered. Overall my vision was pretty disappointing. I've had Lasik surgery twice on both eyes since then. My distance vision is good. Inetrmediate is great. I can read the smallest print without glasses in good light. I still have some ghosting. But I find that cheap reading glasses work just fine for extended reading.
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