the merits and demerits of clinical trials versus intuition are discussed by using the laser photocoagulation trials of proliferative diabetic retinopathy , central serous retinopathy , branch vein occlusion ( treatment for macular oedema ) , senile macular degeneration , and pigment epithelial detachment .
C0024440
macular oedema
C0242383
senile macular degeneration