five minutes of 100 % oxygen breathing produced an average decrease in blood flow of 61 % ( sd = 8 ) in normal eyes , 53 % ( sd = 10 ) in nr eyes , 38 % ( sd = 13 ) in background diabetic retinopathy eyes , 24 % ( sd = 18 ) in proliferative diabetic retinopathy eyes and 54 % ( sd = 8 ) in panretinal photocoagulation eyes .
C0154830
proliferative diabetic retinopathy
C0015392
eyes