11.1

Postoperative Cystoid Macular Edema

Introduction:

Postoperative cystoid macular edema (PCME) is a common cause of vision loss after surgery that can occur following virtually any intraocular procedure, including cataract surgery, vitrectomy, and glaucoma filtering surgery.

Clinical Features:

PCME has the characteristic clinical appearance of numerous small cystic cavities bunched together in a petalloid arrangement centered on the fovea (Fig. 11.1.1, left). In some cases, the optic disc will be hyperemic or even frankly edematous. Small flame, shaped superficial hemorrhages in the inner retina are not rare.

Figure 11.1.1

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