Dysphotopsia is loosely defined as unwanted and disturbing light reflexes from the IOL. Positive usually means they light negative means dark. Temporal darkness is a form of negative dysphotopsia when part of the outer visual field is blocked in in a black/dark area.
My answer is vague and I apologize. What I meant to say is the with PCO main complaint is more blurred vision "not as clear as it was just after surgery" and with IOL dysphotopsia not complain so much of blurred vision but dysphotopsia.
JCH MD
Bottom line though it takes looking at the capsule to really give you a helpful recommendation.
JCHMD
In two or three weeks I am going to have one lens implant, is it better bifocal lens or one unifocal far vision better. My otehr eye is perfect it has 20/20
What are examples of positive dysphotopsia? I was under the impression that glare, flare, rays where examples of positive dysphotopsia.
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Yes it is always possible to tear the capsule and lose vitreous when a Yag cap is done. Also some capsular opacification in in the capsule itself not on the surface and thus cannot be polished away.
In my experience cloudy posterior capsules cause blurred vision, glare, flare, rays BUT NOT positive or negative dysphotopsia. Therefore its more likely the IOL rather the PCO (posterior capsular opacification)
Get a second opinion
JCH MD