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OCT
Training Course
Mohamed ELShafie, MD
Lecturer of ophthalmology
Kafr ELShiekh university
OCT Training Course for clinical practice Part 1
Conventional SD-OCT
Enhanced depth imaging; EDI
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
Vitreous
7
KSU Hospital
Posterior Cortical Vitreous
8
KSU Hospital
In youth, the posterior cortical vitreous is firmly attached to
the internal limiting membrane of the retina and may not be
detected on OCT imaging.
“ “
anatomic term.
9
KSU Hospital
In adult, the posterior cortical vitreous is partial released from
the retina and is visible on OCT imaging.
“ “
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
Stage 0 No PVD
Stage 1 Paramacular PVD
Stage 2 Perifoveal PVD
Stage 3 vitreofoveal separation
Stage 4 Complete PVD
18 COVID19 IN CHILDREN
0
1
3
Grading of PVD.
4
2
KSU
HOSPITAL
19
PVD
Posterior
Cortical
Vitreous
COVID19
IN
CHILDREN
KSU
HOSPITAL
20
b
C
c
0
1
0
2
0
3
0
3
Vitreomacular Adhesion
( VMA )
retinal tissue remains in its
normal anatomic configuration
Vitreomacular Traction
( VMT )
retinal tissue is pulled and altered in
its normal anatomic configuration
COVID19
IN
CHILDREN
KSU
HOSPITAL
21
b
C
c
0
1
0
2
0
3
0
3
Tractional
 associated ERM and/or VMT
Schisis , .
 Ellipsoid Zone (EZ) is often intact.
Degenerative
 epiretinal thickening with less tractional
property central foveal bump ,
 Ellipsoid Zone (EZ) is often disrupted.
Vitreopappilary traction
Vitreomacular traction
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
Chronic Traction
27
KSU Hospital
partial thickness defect featuring an irregular foveal contour with
or without actual tissue loss of the inner retina
“ “
Lamellar Macular Hole.
28
KSU Hospital
full thickness break in the retina commencing in the outer retina
and is secondary to anterior-posterior traction.
“ “
Full Thickness
Macular Hole.
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
OCT Training Course for clinical practice Part 1
COVID19
IN
CHILDREN
KSU
HOSPITAL
33
b
C
c
clinically can even be
confusing to diagnose
with OCT difference
is clear
34
KSU Hospital
Epiretinal Membrane
(ERM)
35
KSU Hospital
hyper reflective band running across the inner most aspect of the
retina.
“ “
OCT Training Course for clinical practice Part 1
37 COVID19 IN CHILDREN
Underneath the band,
inner retinal tissue
undulations
)wrinkling(.
This represents
Bruch’s membrane.
ERM
G II
ERM
G III
ERM
G IV
41 COVID19 IN CHILDREN
1
2
3
Grading of ERM.
4
COVID19 IN CHILDREN 42
KSU
b C
c
THANK YOU

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OCT Training Course for clinical practice Part 1

Editor's Notes

  1. dense collagen shell that serves to encapsulate the vitreous
  2. liquifaction
  3. liquifaction
  4. contraction
  5. PCV is well attached to the macula with only a small perifoveal detachment
  6. attach to ON and macula attached to the foveal region (white arrows), and can be seen to be bowing towards the optic nerve
  7. attach to ON fovea
  8.  PCV is fully detached from the retina and optic nerve confirmed by clinical examination.
  9. Stage 4
  10. PCV is well attached to the macula with only a small perifoveal detachment attach to macula, bowing towards the optic nerve
  11. Vitreoretinal interface (green arrow).
  12. ratio between the inner and outer horizontal diameters of the hole is greater than 1:2 migrating Müller glia cells, which hypothetically promote the closure of the LMH
  13. Focal causing hole broud > 50 µ better prognosis
  14. IS OS disruption affect vision
  15. Intraretinal splitting, or schisis, is variably present (blue circle) photoreceptor layer is intact. (red circle).
  16. no residual outer tissue in the macular hole. The hyperreflective area at the base of the hole is the retinal pigment epithelium, not the ellipsoid zone.
  17. No pvd
  18. operculum
  19. Detached, CME
  20. Complete PVD, Sychisis
  21. Distort layers Perseve fovea
  22. Distort layers foveoschisis
  23. Retinal thickening Distort fovea
  24. Pseudohole d2 erm
  25. Distort layers Perseve fovea Distort layers foveoschisis Retinal thickening Distort fovea Pseudohole d2 erm