had enhacement a week ago

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had enhacement a week ago

Postby blondica » Fri Jun 30, 2006 7:35 am

This was my old prescription before Lasik
OD 2.25 -2.75X160
OS 2.75 -2.25X25

had lasik
After one week
OD 0.25 -1.25X140
OS pl -1.25X25


After 6 weeks
OD 0.25 -1.00X140
OS 0.75 -1.50X25


After 3 1/2 months the vision was
OD 1.00 -1.250X140
OS 0.75 -1.45X25


I had the enhacement done last week and I can see farily well, no more
glasses when watching TV. The only problem I have and still remains,
though not as bad as after the first procedure is the ghost vision.
Even after the second surgery I see a dominant ghost vision in my left
eye but a lot less, yet still annoying. I also see a faint second
inage when I read white text on black background. Since it is only a
week since the enhacement I use the Refresh Plus drops every 30 minutes


or so. My pupils are about 7.5mm in dark and I had surgery on 6.0mm
ablation zone with 1.5mm blend zone. Do you think these ghost vision
will be there forever? I had the slight ghost vision even with
correctin glasses after the first surgery.

After the enhacement I am at

OD +0.50 -0.75 X 110
OS +0.75 -1.00 X 92

Is this going to get better or I am in a catch 22 situation
blondica
 
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Joined: Tue Jun 27, 2006 11:13 pm

Postby LasikExpert » Fri Jun 30, 2006 4:03 pm

It appears that your ghost vision is caused by residual astigmatism. Your astigmatism was very high before surgery, even higher than your myopia in your left eye. This usually is an indication that some astigmatism will remain and enhancement surgery will be needed. Your doctor may recommend a second enhancement surgery if your astigmatism does not settle down to an acceptable level.

You had your enhancement surgery only a week ago. It is way to early to know if the ghosting you see now will remain. This could be caused by edema (swelling), dryness, or residual astigmatism that is still not fully corrected. After several weeks you will know.

If the ghosting remains after several weeks of healing and the ghosting is caused by astigmatism, without correction (either lenses or additional surgery) it will not go away on its own.

It is good to hear of your improvement. Hopefully what remains will resolve with healing. Please keep us informed.
Glenn Hagele
Volunteer Executive Director
USAEyes

Lasik Info &
Lasik Doctor Certification

I am not a doctor.
LasikExpert
Site Admin
 
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Postby blondica » Fri Jun 30, 2006 4:40 pm

The issue that I have is why my astigmatism axis shifted?
blondica
 
Posts: 2
Joined: Tue Jun 27, 2006 11:13 pm

Postby LasikExpert » Fri Jun 30, 2006 7:49 pm

If you mean from 160 degrees to 140 degrees, that is quite normal. The axis of the astigmatism is at the location of the greatest amount of refractive error, but the error may straddle a wide distance. Surgery reduced the refractive error, but did not eliminate it. What remains is at a slightly different angle.

As an example (not actual numbers, of course) let's assume your preop astigmatism was greatest at 160, but spread from 180 to 140. Surgery resolved all the astigmatism at 180 through 150, but didn't get the edge at 140. This would present as a smaller amount of astigmatism at the new location of 140.
Glenn Hagele
Volunteer Executive Director
USAEyes

Lasik Info &
Lasik Doctor Certification

I am not a doctor.
LasikExpert
Site Admin
 
Posts: 3309
Joined: Fri May 12, 2006 6:43 am
Location: California


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