December 20, 2011 | POSTED BY | Clinical Pearls

Clinically Significant Macular Edema (CSME) is seen when one of the following occurs:

1) Retinal thickening at or within 500 microns or 1/3 disc diameter of center of macula.

2) Hard exudates at or within 500 microns of the center of the macula with adjacent retinal thickening.

3) Retinal thickening GREATER than 1 disc diameter in size which is within 1 disc diameter from the center of the macula.

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