a comparison of these findings to those of 571 normal optic disks and 706 optic nerve heads in eyes with chronic primary open-angle glaucoma showed the following morphologic characteristics : ( 1 ) abnormally large optic disk area ( mean +/- s.d. , 4.49 +/- 0.56 mm2 ) , ( 2 ) large cup/disk ratios with the horizontal ratio ( 0.78 +/- 0.03 ) significantly ( p less than .001 ) larger that the vertical ( 0.71 +/- 0.03 ) , ( 3 ) increased incidence of cilioretinal arteries , ( 4 ) normal neuroretinal rim area ( 2.06 +/- 0.35 mm2 ) , ( 5 ) normal neuroretinal rim configuration , inferiorly ( 0.43 +/- 0.08 mm ) broader ( p less than .001 , wilcoxon test ) than superiorly ( 0.33 +/- 0.06 mm ) , smallest ( p less than .0001 ) temporally ( 0.20 +/- 0.04 mm ) , ( 6 ) normal form of zone alpha ( irregular hypopigmentation and hyperpigmentation ) of the parapapillary chorioretinal atrophy with its widest extension in the temporal horizontal area , ( 7 ) no zone beta ( visible large choroidal vessels and sclera ) , ( 8 ) normal caliber of the parapapillary retinal vessels , and ( 9 ) normal parapillary retinal nerve fiber layer .
C0015392
eyes
C0339573
chronic