The following are true about ocular circulation:
a. only 4% of the total blood supply to the eye goes to the retina
b. the choroidal blood flow in normal people is ten times that of the grey mater of the brain
c. autoregulation occurs in both retinal and choroidal circulation
d. a PaCO2 rise of 1 mm Hg induces a 3% rise in retinal blood flow
a. only 4% of the total blood supply to the eye goes to the retina
b. the choroidal blood flow in normal people is ten times that of the grey mater of the brain
c. autoregulation occurs in both retinal and choroidal circulation
d. a PaCO2 rise of 1 mm Hg induces a 3% rise in retinal blood flow