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Eye Care Archive  (Expert Forum)
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Double vision after cataract surgery
Our Ask A Doctor Ophthalmology Forum is where you can post your question and receive a personal answer from physicians affiliated with the American Academy of Ophthalmology.

Double vision after cataract surgery

by ddtla, Dec 17, 2006 12:00AM
I just had cataract surgery with rezoom on my left eye 1 week ago. My distant vision is great. On post-op day 1 is 20/20 and near vision is J16. I don't have any halos at night. But on day 3 I started to notice that I am seeing a ghosting image and it gets slightly bigger day to day (it is bigger now compared to day 3,4,5). At night I would see almost a double vision on car tail lights and on intersection lights. I see the same thing through out the day while reading captions or words on TV. At the bottom of the letters I would see another image of the letters (about half the height and of lesser opacity or lighter color). The same thing at night, I would see another image underneath car tail lights, intersection lights, neon lights (about half the height and of a lighter color). The second image is not a complete image but seem to protrude out underneath the original image (again about half the height and of a lighter color).



As for my near vision, I still can't read the monitor as I type this. I had to buy a +1.5 reading glass from the drug store to be able to work on a computer or to read. At this point I am more concern about the double image. I was wondering if anyone has had this experience. What I have is not a halo because I don't see rings around lights. Only a duplicate image underneath the lights or letters.



I am having my second rezoom tomorrow. Please let me know if you have had similar experiences and did it go away with the second rezoom or with time.

by Forum-OD-MP, Dec 17, 2006 12:00AM
someone will reply i'm sure...many here have had this type of surgery/problem
Member Comments (13)

by blue92, Dec 17, 2006 12:00AM
DON'T DO IT until you have a resolution for your first implant. You are experiencing exactly the same symptoms I had after my fist implant. Please see the posting "Mono- or Multifocal". After 10 months of seeking many surgeons opinions and coming up with nothing, my problem has been finally diagnosed. Both implants are decentralized and I now need additional surgery to position the implants correctly. Rezoom and Restor lenses must be placed precisely and I found that not all surgeons understand this because out of the 6 that I saw, not one picked up on it until I saw a world renown doctor in Indiana. There is no room for error. I hope you have a knowledgeable doctor because these lenses require a higher degree of skill and  knowledge than regular monofocal lenses.

by blue92, Dec 17, 2006 12:00AM
By the way, when I mean decentralization, we are only talking .5 to .7 mm. This is a very small number, but yet large enough to create serious visual problems. Again, wait until you resolve your problem before proceeding with the second eye. Ghosting caused by improper refraction just doesn't go away.

by blue92, Dec 18, 2006 12:00AM
To: Susan12345
Dr. Waltz was able to determine the decentralization of both lenses using a wavefront analysis and by looking at them with and without slit lamp digital photographs. Keep in mind that .6mm or .7mm decentralization in a multifocal lens that is 6mm in diameter is significant enough to cause visual aberrations. I also have some early PCO in both eyes. The ghosting and double vision that I experienced right after the surgery are totally unrelated to the PCO.

by blue92, Dec 19, 2006 12:00AM
Please read the following link related to positioning of multifocal IOL.



http://www.crstoday.com/PDF%20Articles/0406/CRST0406_15.html



And from an article from Medscape Today:



Intraocular Lens Design-Related Positioning



"Some of the newer IOLs designed to treat presbyopia as well as aphakia require specific anatomic locations, and certain malpositions affect each model differently. For example, concentric-ring multifocal IOLs, such as the Array® (Advanced Medical Optics [AMO], Santa Ana, CA), the Acrysof® ReSTOR® (Alcon, Fort Worth, TX), or the ReZoom™ (Advanced Medical Optics, Santa Ana, CA), require perfect centration for proper functioning. Even a slight decentration of 1 mm can cause visual disturbance and undesirable glare symptoms"





by ddtla, Dec 19, 2006 12:00AM
To: Blue92
Thanks for the info. I talked to my doctor the morning of the surgery and he looked at my left eye and said that it was centered correctly. He said that it may be due to the swelling and that the rezoom is designed for both eyes. So I went ahead with the surgery for my right eye. The second surgery was yesterday. For today day 1 post op I can see 20/40 distance on my right eye. My left eye(done last week) is now 20/25 for distance. As for near vision both eyes are at J5-7 but still blurry.

The ghost vision on my left eye is still there and in the right eye there is also a small ghost vision again to the bottom and left of the actual image.

The doctor said that I have a window period of about 4 months before the capsule fibrose. So I will give it another 5 weeks to see if the ghost image will disappear or improve after the inflamation goes down. If it doesn't then he will look at other options like recentralizing it.

I was very careful in picking the doctor to do the surgery. I went to opthamologists and felt confident about this one. I even talked to two of his patients with rezoom and they were very happy with their vision, perfect near and far vision. I guessed you never know until after you have the procedure done yourself.

Blue92, which type of lens did you have done, was it rezoom or restor? Based on the article it seems like restor is less forgiving than rezoom regarding centralization.

How long has it been since your surgery? Is your ghost image similar to the way I described mine? When did you start noticing the ghost image and did it ever improve slightly with time?

Again thank you for the information. Keep us updated regarding you upcoming procedure later this month. If things doesn't turn out correctly, I may even have to fly to Indiana to see the doctor that you are talking about. I wish you well.

by ddtla, Dec 19, 2006 12:00AM
I didn't reread my message until after I sent it. I meant to say I went to 3 opthalmologists for consults before picking this one.

by JodieJ, Dec 19, 2006 12:00AM
For what it's worth, aspheric monofocal lenses are also reported to be highly sensitive to decentration and tilt.  Both are reported to negate the benefits of an aspheric lens, i.e., improved contrast sensitivity and night vision.  For monofocal lenses, correct positioning is usually checked by visual inspection of the lenses--which may or may not be adequate.

by blue92, Jan 05, 2007 12:00AM
To: ddtla
How are you progressing with your surgery? Is ghosting getting any better. Any halos? I hope you are doing fine.

by ddtla, Jan 08, 2007 12:00AM
To: blue92
How was your surgery in Indiana? Did it improved the ghosting image?

I am now 4 weeks post-op for left eye and 3 weeks post-op for right eye. At my last check-up I was 20/20 for distant vision. J3-5 for left eye and J5-7 for right eye.

I still have ghost image on both of my eyes. They are both inferior and temporal(toward the lateral of the eye) to the actual image. The ghost image is of a lighter opacity and smaller than the actual image. It is more pronounce when I look at objects with contrasting background(white on black background). I see it if it is more than 2 feet from my eye and gets bigger with increasing distant. I see it around light, words on computer screen, TV, and even during the day.

My doctor looked at the lens through his opthalmoscope and said that the lens are centered. He didn't do an ultrasound scan to confirm this. He said that it may be due to the design of the lens since it is a multifocal and that each part of the lens project a different image. I don't buy it because if this were true then I would see ghost image around the entire object not just only inferior and tmporal to the actual image.

I am going to get a second opinion and it is scheduled for next month.

How did your surgery went? Did your vision improved? Do you still see ghost image? By the way which type of lens do you have, rezoom, restor? Also how long was the time frame between the first surgery and the corrective surgery?

by aimee37, Feb 10, 2007 12:00AM
To: Restor Lens Implant
I just had a cataract removed and replaced with a Restor Lens.   I am having double vision