we performed a retrospective study of two groups of patients : both groups consisted of patients with mature cataract and certain risk factors for retinal detachment ( myopia , previous retinal detachment in the eye in study or in the fellow eye etc . ) in the first group ( n = 299 ) circumferential cryopexy has been performed prior to cataract extraction while in the second group ( n = 149 ) no prophylaxis has been done .
C0035305
retinal detachment
C0015392
eye