[Neuroretinal rim width in normal, hypertensive and glaucomatous subjects].
OBJECTIVE
To determine width and shape of neuro-retinal rim in normal hypertensive subjects and patients with glaucomatous damage.


METHODS
Patients underwent a perimetry and a photographic retinal nerve fiber evaluation. Patients were divided in three groups: normal subjects (n=34), ocular hypertension subjects (n=38) and glaucoma patients (n=34). Neuro-retinal rim was measured using 40 degrees stereoscopic photographs with center in the optic nerve head based on a biomorphometry technique.


RESULTS
In normal subjects neuro-retinal rim appeared wider in the lower pole, followed by the upper, nasal and temporal aspects. Optic nerve fiber layer showed a decreased thickness in hypertensive and glaucoma patients, particularly in sectors of the temporal aspect of the optic nerve (p<0.05).


CONCLUSIONS
A Planimetry study of the optic nerve is able to detect alterations in normal neuro-retinal rim configuration and can as well detect thinning of the rim, particularly in temporal, upper and lower areas.
Larrosa
J M
JM
Servicio de Oftalmología, Hospital Universitario Miguel Servet, Zaragoza, España. jlarrosa@encomix.es
Polo
V
V
Pinilla
I
I
Gonzalvo
F
F
Pérez
S
S
Honrubia
F M
FM
D000293:Adolescent; D000328:Adult; D000368:Aged; D000886:Anthropometry; D005901:Glaucoma / Q000473:pathology*; D006801:Humans; D008875:Middle Aged; D009798:Ocular Hypertension / Q000473:pathology*; D011446:Prospective Studies; D012160:Retina / Q000473:pathology*