Leaving the capsule behind in cataract surgery is advantageous because it -
High-Yield Explanation
As postoperative complication following cataract extraction cystoid macular edema(CME) occurs. Cystoid macular edema(CME) refers to collection of fluid in the outer plexiform (Henle's layer) and inner nuclear layer of the retina, centred around the foveola. So leaving the capsule behind in cataract surgery is advantageous prevents cystoid macular edema.