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Initial Stages of Posterior Vitreous Detachment in Healthy Eyes of Older Persons Evaluated by Optical Coherence Tomography
Eisuke Uchino, MD;
Akinori Uemura, MD;
Norio Ohba, MD, PhD
Arch Ophthalmol. 2001;119:1475-1479.
Objective To promote understanding of the development of posterior vitreous detachment
(PVD) in healthy eyes using optical coherence tomography (OCT).
Methods We studied 209 eyes of 209 healthy volunteers (165 men and 44 women;
mean age, 52.3 years [range, 31-74 years]). In addition to biomicroscopy and
ophthalmoscopy, OCT was performed to obtain high-resolution cross-sectional
images of the vitreoretinal interface in the posterior fundus.
Results The condition of the posterior vitreoretinal interface was classified
as 1 of 5 stages, according to biomicroscopic findings and OCT images relative
to discrete linear signals indicating a detached posterior vitreous face:
stage 0, no PVD (61 eyes [29.2%]); stage 1, incomplete perifoveal PVD in up
to 3 quadrants (100 eyes [47.8%]); stage 2, incomplete perifoveal PVD in all
quadrants, with residual attachment to the fovea and optic disc (26 eyes [12.4%]);
stage 3, incomplete PVD over the posterior pole, with residual attachment
to the optic disc (4 eyes [1.9%]); or stage 4, complete PVD identified with
biomicroscopy, but not with OCT because of instrument limitations (18 eyes
[8.6%]). Stage 1, 2, and 3 incomplete PVD without subjective symptoms was
not recognizable on contact lens biomicroscopy. There was a significant age-related
progression in the condition of the vitreoretinal interface from stage 0 to
stage 4. The superior quadrant was usually the initial site of incomplete
PVD.
Conclusions Optical coherence tomography demonstrates that healthy human eyes have
incomplete or partial PVD beginning as early as the fourth decade of life.
Age-related PVD occurs initially as a focal detachment in the perifovea of
1 quadrant, with persistent attachment to the fovea and optic nerve head,
with a predilection for the superior quadrant. It extends its range slowly
for years and eventually results in complete PVD, associated with release
of vitreopapillary adhesion.
From the Department of Ophthalmology, Kagoshima University Faculty
of Medicine, Kagoshima, Japan.
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