-
1
、
A Discribe Sample
A
vertical
OCT
tomogram
is
acquired
through
the
macula
which
shows
from
above
down
neurosensory
retinal
detachment to the inferior fovea in the scan
fields.
The fovea is obviously elevated
to 1000
μ
m,
2
、
ACUTE RETINAL NECROSIS
OCT
shows
cystoid
macular
edema
and
diffuse
outer
retinal
edema and exudates.
3
、
AION
The
papillary
swells
and
is
elevated
obviously.
The
physiologic
cup
slmost
disappears.
The
peripapillary
retinal
nerve
fiber
swells,
the
thickness
of
which
is
increased obviously.
4
、
BECHET
There
is cystoid edema in the macula, with well-defined
detachment
of
neurosensory
retina
in
the
fovea
and
diffuse
periphery
retinal
edema.
(serous
detachment
of
neurosensory
retina
)
Retina
in
the
fovea
is thinned.
Sporadic
hyperreflective
points
due
to
the
exudates
of
hard lipids
shadows the reflection from the tissues below.
The margin of the optic disc is
elevated obviously, which
represents
papilledema. ( papilledema) The retina in the
fovea is thickened. Hyperreflective
band just anterior to
the neur
5
、
BEST DISEASE
RPE/choriocapillaris in the macula is
elevated, in deeper
layer
of
which
there
is
moderate
reflective
band.(RPE
solid
elevation)There
is
serous
pigment
endothelium
detachment in the superior of vitell
6
、
CENTRAL SEROUS CHORIORETINOPATHY
There
is
serous
retinal
detachment
in
the
macula,
with
retinal edema or cystoid edema. The
neurosensory retina
is
elevated
in
the
fovea,
with
the
thickness
of
.
Liquid dark area exists below. The
RPE/choroicapillaris
reflective
band
is
clearly
visible
or
damaged.
The
RPE
may be elevated
and detached.
7
、
CHOROIDAL HEMANGIOMA
Retina
is
sphere-like
elevated.
Neurosensory
retinal
detachment
is
visible
in
the
margin
of
the
tumor.
The
reflective band of RPE/choroidocapillay
is disordered
,
only
sporadic
and
thin
choroidal
reflective
bands
are
visible
in
below.
The
retina
is
elevated,
with
serous
retinal detachment around the tumor,
intraretinal fluid in
the
retina
above
the
tumor.
(RPE
damage)
There
is
intraretinal
department
with
tissues
connecting
in
between in the retina above
the tumor. There is shallow
retinal
detachment in the
8
、
CHOROIDAL OSTEOMA
The
RPE/choroid
reflective
band
is
enhanced
and
broadened
irregularly,
partially
elevated
and
breaks
in
temperal
papillary.
The
shallow
neurosensory
retinal
detachment
is
observed
in
the
macula,
(neurosensory
retinal
detachment).
The
retina
in
the
fovea
is
thinned,
The
retina
is
intraretinal
departed
with
reflection
of
tissues
in
between,
representing
secondary
retinoschisis
in the macula and
papillary, with disordered reflection.
9
、
CNV
The
strongest
reflective
band
(RPE/CC)
ruptures.
There
is
a
multilayer hyperreflction
subretinal
elevation
in
the
rupture.
Neurosensory retinal detachment, retinal edema
and exudation are visible.
10
、
CONTUSION OF RETINA
There
is
full-thickness
retina
loss
in
the
macula,
with
surrounding
neurosensory
retina
edema.
(macular
hole
and edema)
Moderate reflection in the fovea and the both
sides
hyperreflection
of
hemorrhage
are
observed
when
RPE
hemorrhagic
detachment
exists.
The
choroidal
reflective band is
enhanced in the temporal fovea, which
represents
choroid
rupture.(choroid
rupture
with
hemorrhagic RPE detachment) The
RPE/choriocapillaris
reflective band is
broken and disordered in the temporal
fovea, with the reflective
11
、
DIABETIC RETINOPATHY
(macular
edema)The
neurosensory
retina
shows
thickened
thickness
and
diffuse
reduced
interlaminar
reflection
in
the
macula
and
periphery
retina.
There
are
sporadic hyperreflective points in
outer retina shadowing
the reflection
returning from below, due to hard exudates.
The serous neurosensory retina
detachment exists in the
macula, with
detachment cavity shown as fluid dark area.
The
local
elevation
of
retinal
nerve
fiber
layer
shows
enhanced
reflection and shadows the reflection returning
from below, wh
12
、
Drusen
Hard
drusen shows the local elevation of RPE and
tissues
below,
with
hyperreflectivity.
Soft
drusen
shows
semispherical elevation of RPE.
13
、
Dry AMD
Hard drusen shows the local elevation
of RPE and tissues
below,
with
hyperreflectivity.
Soft
drusen
shows
semispherical elevation of RPE.
RPE/choriocapillaris
is
elevated
well-defined.
(hard
drusen) The neurosensory retina is
normal or thinned in
corresponding
area.
The
reflection
band
of
RPE/choriocapillaris
is
elevated
like
semisphere
or
merged-semisphere. There is
moderate density reflection
band
below,
connecting
with
the
choroidal
reflection
band.
(soft
drusen) .
Retina
above
is
thinned,
while
the
reflection
band
of
RPE/choriocapillaris
is
enhanced.(choroidoretinal geographic
atrophy). The RPE
reflection band
disappears somewhere.(RPE a
14
、
EPIRETINAL HEMORRHAGE
Retina seems to be elevated, with dense
hyperreflection
anterior
to
the
retina.
All
the
reflection
from
tissues
behind it disappears. It’s hard to
identify the hemorrhage
is
located
under
the
inner
limiting
membrane
or
behind
the posterior
limiting membrane of the vitreous.
15
、
EPIRETINAL MEMBRANE IN THE MACULA
The
epiretinal
membrane
appears
as
a
streaky-like
enhanced
reflective
band
just
attached
anterior
to
the
neurosensory
retina.
The
depression
of
the
fovea
disappears,
and
macular
edema
forms.
The
thickness
of
the
retina
is
increased
in
the
fovea,
with
steep
contour
and pseudohole forms.
16
、
EPIRETINAL MEMBRANE
The moderate and high reflective band
is shown adhered
tightly anterior to
the retina, which may track the retina,
resulting in retinal pucker and retinal
edema.
17
、
GLAUCOMA RETINAL NERVE FIBER LAYER
The
reflection
of
retinal
nerve
fiber
layer
is
thinned
diffusely.
18
、
GLAUCOMA
The
physiologic
cup
is
enlarged
and
deepened,
the
reflective
band
is
thinned
or
breaks
in
the
superior
cup
wall. The cup is enlarged.
19
、
HARD EXUDATION
Potted
and
sheet
hyperreflection
is
shown
in
outer
plexiform
layer, attenuating the reflection behind.
20
、
IDIOPATHIC CNV
Retina swells and is thickened. Serous
retinal detachment
is
shown,
while
choroidal
neovascular
is
visible
under
the macula.
21
、
IDIOPATHIC CNV-1
There
is
cystoid
edema in the
fovea. The
hyperrefletive
points
in
the
outer
retina
which
attenuate
the
tissues
behind
represent
the
hard
exudation.
Hemorrhagic
or
serous
neurosensory
retinal
detachment
forms.
The
RPE/choriocapillaris
reflective
band
is
fusiform-like
enhanced in the
upper macula, consistent with choroidal
neovascular. The topography map shows
that the retina is
thickened,
white
and
red,
in
the
fovea
and
above
(correspongding the CNV) .
22
、
JUVENILE RETINOSCHISIS
Cystoid alteration is seen in the
macula, and the cavity is
departed
by
tilted
and
vertical
tissues.
Peripheral
neurosensory
retina
shows
intraretinal
department,
with
column tissues connecting in between.
The thickness of
the
retina
is
increased
in
the
fovea,
especially
in
the
inferonasal retina, with the
superotemporal retina thinned.
(cystoid
macular
edema).
The
inner
wall
ruptures
after
cystoid
alteration
in
the
macula,
then
the
lamellar
hole
forms.(lamellar
macula
hole)
.
Neurosensory
retinal
detachme
23
、
MACULAR HOLE
Full-thickness hole: loss of full-
thickness retina shows no
reflection.
Lamellar
hole:
The
loss
of
the
inner
retina,
part
of
the
reflection
is
absent.
stage
I
macular
hole
shows
disappearance of the normal foveal contour and a
low reflection field in below , but the
inner layer of the
retinal
doesn’t
break
in
the
macula.
Vitreous
traction
to
the fovea is visible.
Alleviation happens spontaneously in
some
cases.
Stage
II
shows
the
breaks
of
inner
surface
and small full-thickness loss of the
retina, accounti
24
、
MELANOMA OF CHOROID
The
retina
shows
a
flat
and
uneven
elevation,
the
reflective
band
of
the
RPE/choriocapillaris
is
enhanced
mildly,
while
the
reflective
band
of
the
retina
is
almost
normal.
The
pigment
eddothelium
is
elevated
in
the
fovea,
with
serous
retinal
detachment
and
disorders
of
the
reflective
band
of
RPE
above
the
fovea.
(RPE
damage)
Neurosensory
retina
is
elevated
and
detached.
(retinal detachment).
25
、
NORMAL MACULA
The thickness of the retina of the
fovea is
mm. There
is no significant abnormality in the
macular contour.
26
、
NORMAL OPTIC DISC
The superior, inferior and nasal margin
of the optic disc
is
elevated
mildly.
The
physiologic
cup
is
small
and
shallow.
The
depression
and
the
slope
are
symmetric.
The
moderate
reflective
band
representing
the
tissues
before
the
cribriform
form
is
visible
in
the
bottom
of
papillary, under which is the
hyperreflective band of the
cribriform
plate. (normal optic disc).
27
、
OPTIC DISC PIT
The
vertical
scan
through
the
optic
disc
shows
a
dark
area
without
reflection,
because
of
loss
of
cribriform
plate in the inferior papillary, which
represents optic disc
pits. Horizontal
scan shows loss of cribriform plate in the
temporal
optic
disc,
which
connects
with
outer
retinal
retinoschisis
and
edema
in
the
macula.
Neurosensory
retinal detachment
exists in the macula, and there is only
inner
tissue
with
thin-wall,
which
represents
outer
wall
hole. (optic
disc hole and retinal edema and retinoschisis
28
、
OPTIC NERVE ATROPHY
The normal elevation of the papillary
margin disappears.
The
physiologic
cup
shallows,
with
thinning
of
the
peripapillary
retina
and
reflection
band
of
the
retinal
nerve fiber layer.
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