in my previous prospective study of 132 eyes , the incidence of clinically significant cystoid macular edema was 42 % in aphakic penetrating keratoplasty , 33 % in combined keratoplasty and cataract extraction with vitrectomy , and only 4 % in combined keratoplasty and cataract extraction without vitrectomy .
C0015392
eyes
C0042903
vitrectomy