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1

PDR Pre and

Post laser

Jan 2012 20/30 Aug 2012 20/50 No subj comp.

Anterior Segment

• Penetrating Corneal FB

Post-op

Anterior Segment OCT

ONH on OCT

ONH Drusen

Bergmeister’s

Papilla

Optic Pit

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ONH-Papilledema

Young Obese Female

Pseudotumor Cerebri

Interpretation and Diagnostic Abilitiese.g., Glaucoma (Conventional Method)

Manual Examination of

Integrity or Changes

ONH- RNFL Converges to Exit the Eye!

Density of NFL relative to proximity to the ONH

>400um 1572um

Interpretation and Diagnostic Abilitiese.g., Glaucoma

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RNFL

PPA

Termination of BM

BMO

Posterior Ciliary Artery

BM

RPE

Peripapillary Atrophy

RNFL

BMOScleral Canal

Tilted Disc (GL dilemma)

Glaucoma not only cause of Inner Retinal Atrophy

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4

One month follow-up

Posterior Segment

Posterior Pole-Peripheral Conditions

• Vitreous

• Vitreoretinal Interface

• Inner-Retina

• Outer-Retina

• Retinal Pigment Epithelium

• Choroid

Vitreous • Posterior Pole

– Peripapillary and Perimacular

– Peripheral

Evolution of Vitreous in Posterior Pole

11/21/20111/18/2011 8/21/2012

Scan Orientation

Fibrils

Vitreous Peripheral Retina

Vitreoretina Tuft

Lattice Degeneration

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Vitreomacular Interface

• VMA

VMT

Spontaneously Improved

Other Examples

TRD

MH (Partial- Full-thickness)

Peripheral Retinal Holes

Localizing Lesions RRD vs. Retinoschisis

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6

Macula Off RRD

RRD-Macula On (Inferior)

Vitreous Haze

Epimacular Membrane

Single layer vs overall assessment

Epiretinal Membrane

Vitreo-retinal

Pre-retinal Hemorrhage

Localizing Lesions

Intraretinal hemorrhages

Inner and Outer-segment

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Localizing Lesions Subretinal Hemorrhage

Hemorrhagic PED

Localizing Lesions (Choroidal Nevus)

Localizing Lesions (Choroidal Nevus)

Choroidal Tumor

Localizing Lesions (CHRPE)

Posterior Segment Pathology

• Infectious Conditions

– Toxoplasmosis (Retinochoroiditis)

– Histoplasmosis (Chorioretinitis)

• Although Both are referred to as Chorioretinitis

Toxoplasmosis

Vit. Cells

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20/40

Conditions of Inner-Retina

Recurrence

OHS (Early)

B

A

B

C

D

C

A

AD

OHS (Late) Punched out lesion!

CNV

SRF

73 Y/O WF recent onset vision loss, referred for AION

No temporal HAs, No Jaw Claudication, Fairly Good Health

AMD

Small Drusen

Intermediate

Large

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AMD

Pigment Abbormalities

AMD

Geographic Atrophy

AMD GA

AMD-CNV

AMD-CNV

Atrophic AMD PT

Converts to Wet

And treated

AMD-RPE Tear

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CNV Other Etiology

During her pregnancy

refused treatment

Idiopathic Received Treatment

Myopic Degeneration

Thin Choroid

Myopic Contour, CNV

P TX

Diabetic Retinopathy

Diabetic Retinopathy

Long Scan Line

Lowers Res

Scan Line Through the MA Below the MA

Diabetic Retinopathy

Progression

Over 3 months

Shorter Scan Line Better

Resolution

2 months later

NPDR

4 Monthly Scans Spontaneous Closure of MA

Resulting in reduced ME

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PDR-NV

Retinal Vessels

Posterior Vitreous Cortex

Vessel Walls

Possible vessel wall in vitreous space

Invasion of retinal vessel to retinal surface

PDR

PDR-VH

Shadow