Thank you for your reply.
It appears that your are experiencing the symptom of posterior viteous detachment (PVD). This is common with age, and not usually harmful, unless very severe. What happens is that the clear gel (vitreous
) inside your eye develops pockets of liquefication (with age) especially close to the back of the eye (retina). If the surface of the vitreous close to the back of the eye detaches, then surface of the vitreous then dangles or moves with change in head position or movement sometimes. With your history of cataract surgery which caused the vitreous to move slightly forward, that may have also increase your risk slightly. Since this is affecting your vision, I suggest that you make appointment to follow-up with your eye doctor for closer evaluation to exclude any retina break close to the area of PVD, as that can create a risk for retina detachment. Overall, PVD is not harmful, and only needs to be monitored by you and your eye doctor.
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