Normal Eyes Clinical Trial
Official title:
The Director of the Fundus Center of Zhongshan Ophthalmic Center
PURPOSE: To characterize the appearance of the far peripheral retina of normal eyes using
ultra-widefield fluorescein angiography (UWFA).
DESIGN: Prospective observational case series. METHODS: This study enrolled normal eyes with
best corrected visual acuity ≥ 20/20, refractive error < 3.00D, and without visible retinal
pathologic changes under a slit lamp-based condensing lens. The far peripheral retina was
detected by UWFA. Ciliary body thickness (CBT) at 3 mm (CBT1) and 2 mm (CBT2) posterior to
the scleral spur was measured by ultrasound biomicroscopy.
PURPOSE: To characterize the appearance of the far peripheral retina of normal eyes using
ultra-widefield fluorescein angiography (UWFA).
DESIGN: Prospective observational case series. METHODS: This study enrolled normal eyes with
best corrected visual acuity ≥ 20/20, refractive error < 3.00D, and without visible retinal
pathologic changes under a slit lamp-based condensing lens. Demographic and clinical data
such as age, sex, and reasons for undergoing FA were collected. The far peripheral retina
was detected by UWFA. The fundal fields obtained using the Heidelberg ultra-widefield lens
in a single shot and in montage images were compared with those acquired using the
Heidelberg conventional 55° lens. The signs at the peripheral retina detected by UWFA were
described and grouped. Ciliary body thickness (CBT) at 3 mm (CBT1) and 2 mm (CBT2) posterior
to the scleral spur was measured by ultrasound biomicroscopy.
;
Observational Model: Case-Only, Time Perspective: Prospective
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