Hello and thanks for your question. It sounds as though the right eye has had some pieces of the cataract that have remained in the eye--these are the large floaters you are seeing. These "retained lens fragments" (as they are called) can produce these visual symptoms which are bothersome, but they can also induce inflammation in the eye which can cause swelling in the cornea and/or swelling in the retina, both of which can cause hazy or blurry vision.
This retina surgeon who proposes to take these pieces out with a pars plana vitrectomy and lensectomy is specially trained to do this procedure. It sounds as though you are having enough problems from these retained lens fragments that having this second surgery sounds appropriate.
As far as the vision in the left eye being hazy and without exact definition, this sounds like there might be some uncorrected astigmatism that may be causing these symptoms (which can either be corrected with glasses or a surgical procedure involving a laser or an incision in the cornea).
The dilating drops that you are given in clinic usually don't reverse themselves in 5 minutes so I'm not quite sure why they told you that; I usually tell my patients to expect the vision to be blurred for several hours after their eyes are dilated.
Does this information help address your concerns? Does this make sense? Do you have any other concerns that I haven't addressed?
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Those are good questions. Most people do not require sutures after cataract surgery. It is not unheard of, though. I'd say about 5-7% of people need one or more sutures. If the doctor enlarged the initial wound to help remove some of the cataract, this may be why more than one suture was used. In addition, if I'm doing the surgery and I know there are pieces of the cataract still left in the eye when I'm done with the surgery, I will always put at least one (possibly more) sutures in the eye to make sure that the wounds are stable for the vitreoretinal surgeon to have stability in these wounds when he/she does the PPV/Lensectomy.
The potential dangers of the PPV/Lensectomy include possibility for retinal detachment (rare), small retinal holes (less rare, but still not common), clinically significant infections (uncommon, but serious if it happens), swelling in the retina after surgery (which could blur the vision while it is resolving) and increased pressure in the eyes (usually transitory if it happens at all). For the most part, people do not experience significant discomfort after the procedure. This surgeon may use a couple of dissolvable sutures in the eye at the end of the case and occasionally this can cause some discomfort, but it is usually not bad and does away within several days.
Does this help address your questions?