Dr. Shehab Al-Abed - Medical Retina & Uveitis

10/05/2026

ليش المحاضرات المطولة على اليوتيوب بتاخذ وقت في التحضير؟

​تصلني الكثير من الرسائل التي تسأل عن موعد المحاضرات القادمة، وحبيت أشارككم اليوم "كواليس" صناعة هذا المحتوى الذي أعتبره مرجعاً علمياً قبل أن يكون مجرد فيديو.

https://youtube.com/.shehab.retina

​وراء كل محاضرة تشاهدونها رحلة تمر بعدة محطات:
1️⃣ تخطيط المنهج: قمنا بتوزيع مواضيع الشبكية (Medical Retina) على ما يقارب 80 محاضرة لتغطي كل صغيرة وكبيرة.
2️⃣ التبسيط العلمي: تحضير المادة العلمية بطريقة توازن بين سهولة الفهم وقوة وعمق المعلومات (High-Yield Pearls).
3️⃣ البحث والتحديث: الشبكية من أكثر التخصصات تطوراً. لذلك أحرص على دمج أحدث الدراسات (Clinical Trials) مع البروتوكولات الحالية، وعرض طرق المدارس العلاجية المختلفة والمقارنة بينها لضمان أن المعلومة التي تصلك هي الأحدث والأدق.
4️⃣ التسجيل والمونتاج: بعد تجهيز الـ Slides وتأكيد مصادر الصور، تبدأ مرحلة التسجيل ثم الـ Editing لنضمن إخراجاً بصرياً يليق بأن يكون مرجعاً لكم.
5️⃣ اللمسات الأخيرة: إضافة الـ English Subtitles للزملاء حول العالم، وتجهيز الردود على استفساراتكم العلمية.
​هذا العمل بالوضع الطبيعي يتطلب "فريقاً كاملاً" من باحثين، ومصممين، ومحرري فيديو.. لكنني أقوم به بمفردي من الألف إلى الياء، وبكل حب واستمتاع!

​شكراً لكل رسائلكم ودعمكم الذي يجعل كل هذا التعب يهون. المحاضرة القادمة قيد التجهيز، فابقوا معنا! 🚀✨

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02/05/2026

Quick Must-Know OCT Fact: cRORA

Part of the new lecture for Retina Squad Academy on Youtube

https://youtu.be/NYO65M-NsP8

01/05/2026

OCT Must-Know Facts Marathon 🏃‍♂️

Now on the Retina Squad Academy YouTube Channel..

https://youtu.be/NYO65M-NsP8

24/04/2026

OCT-A vs. FFA: The Ultimate Board Exam Showdown! 👁️📖

If you’re preparing for the FEBOS-R, FRCS, or any ophthalmology board exam, you know this comparison is a favorite among examiners. While FFA has been our "gold standard" for decades, OCT-A is changing the game with its depth-resolved, non-invasive capabilities.

Key Takeaways:

Leakage: FFA is still king. If you need to see active leakage, you need the dye.

Layers: OCT-A wins here—it allows us to see the superficial and deep capillary plexuses separately.

Invasiveness: No needle, no dye, no nausea—OCT-A allows for unlimited repeat imaging.

Which one do you rely on more for daily clinical decisions? Let’s discuss in the comments! 👇

You can check the full video on my YouTube Channel..

Knowledge should be for everyone.. For Free!

20/04/2026

FAZ on OCT-A

https://youtu.be/0ycr6JLZER4

19/04/2026

OCT-A Pearls for Board

More in the full lecture: https://youtu.be/0ycr6JLZER4?si=b6L5QOJzVQxncouk

🔥 Pearl 1: OCT-A detects FLOW, not leakage. FFA detects leakage and perfusion. They are complementary — not competitive. Always know which question you're asking before choosing your modality.

🔥 Pearl 2: The Outer Retinal Avascular Zone should be EMPTY on OCT-A. Any flow signal there = pathological neovascularization. This is how you spot Type 2 MNV in one look.

🔥 Pearl 3: Type 3 MNV originates from the DCP — look for intraretinal flow extending downward, always in a background of drusen. IR reflectance showing drusen + DCP flow = Type 3 until proven otherwise.

🔥 Pearl 4: Projection artifacts mimic Type 1 MNV. Always use projection-resolved algorithms and cross-check with structural B-scan before diagnosing neovascularization.

🔥 Pearl 5: Choriocapillaris flow voids on OCT-A appear BEFORE geographic atrophy is visible on FAF or structural OCT. This is the earliest detectable AMD change we have today.

🔥 Pearl 6: Ghost vessels on OCT-A after anti-VEGF = inactive treated CNV. Visible on OCT-A but no active flow. This is a treated scar — do not re-inject based on OCT-A alone without structural OCT evidence of activity.

🔥 Pearl 7: DCP FAZ is larger than SCP FAZ in normal eyes. Disproportionate DCP FAZ enlargement in DME = macular ischemia component — explains poor anti-VEGF response in some patients.

🔥 Pearl 8: In chronic CSC — always look for secondary Type 1 MNV on OCT-A. It develops silently, below the RPE, and is easily missed on clinical exam alone.

1 like. "Lecture 1.2 — OCT-A: The Vascular Revolution"

18/04/2026

🔥 RETINA SQUAD ACADEMY | FEBOS-R MASTERCLASS
Lecture 1.2 — OCT-A: The Vascular Revolution

Dr. Shehab Al-Abed | FEBOS-R | FRCS | FICO | MRCSEd | JBO
Medical Retina & Uveitis Consultant — Amman, Jordan

Now on YouTube:
https://youtu.be/0ycr6JLZER4
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No dye. No injection. No waiting. Just pure vascular architecture —
captured in seconds. OCT-A didn't just change how we image the retina.
It changed how we think about retinal disease.

In this lecture, we go from the physics of decorrelation signal all the way
to clinical mastery of the four retinal slabs, the FAZ, MNV classification,
artifacts that will trap you on the board exam — and exactly why the
outer retina must always be dark.

Whether you're preparing for the FEBOS-R, reviewing for your FRCOphth,
or just want to finally understand OCT-A properly — this is the lecture.

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📚 WHAT WE COVER:

• The physics of OCT-A — motion contrast, decorrelation signal, SSADA vs OMAG
• The four retinal slabs — SCP, DCP, Outer Retina, Choriocapillaris
• The FAZ — normal values, what enlargement means, and which diseases affect it
• MNV Classification — Type 1, Type 2, Type 3 (the former "CNV" finally
made sense by OCT-A)
• OCT-A in AMD, Diabetic Retinopathy, RVO, and CSC
• Artifacts — projection, motion, segmentation, shadow — and how to spot
each one
• The 5 key limitations of OCT-A vs FFA — and when to use each

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⚡ HIGH-YIELD FEBOS-R PEARLS:

🔥 PEARL 1: The outer retina slab must be completely dark on OCT-A in
healthy eyes. Any flow signal in the outer retina = abnormal
neovascularization. Full stop.

🔥 PEARL 2: OCT-A does NOT show leakage. Vascular permeability = FFA.
If the exam asks which modality shows vascular permeability — the answer
is never OCT-A.

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Free. For every retina fellow, everywhere. Always.
This is Retina Squad Academy 🔥

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MedicalRetina RetinalFellow Ophthalmology RetinaSurgery UveitisSpecialist
ChoroidalNeovascularization MNVclassification DiabeticRetinopathy WetAMD
RetinalVascularDisease FovealAvascu

12/04/2026

هل تعاني من السكري؟ احمِ نظرك قبل فوات الأوان! 🩸👁️
​كثير من مرضى السكري قد لا يلاحظون أي تغير في الرؤية في المراحل الأولى من تأثر شبكية العين، وهذا هو الخطر الحقيقي. عندما يبدأ النظر بالتراجع، قد يكون الضرر قد وصل لمراحل متقدمة.
​في هذا الفيديو التثقيفي الشامل، أشرح لكم ببساطة كل ما تحتاجون معرفته عن "اعتلال الشبكية السكري":
👉 متى يجب فحص العين لأول مرة؟
👉 لماذا قد يطلب منك الطبيب أخذ حقن أو جلسات ليزر؟
👉 وكيف تحافظ على نظرك وتتجنب المضاعفات؟
​الفيديو مخصص لكل مريض سكري وعائلته. شاهدوا الحلقة كاملة عبر الرابط وشاركوها مع من تحبون!

​👨‍⚕️👩‍⚕️ To my colleagues in the Retina Squad Academy:
Patient education is half the treatment! We all know how challenging it is to fully explain Diabetic Retinopathy, intravitreal injections, and panretinal photocoagulation (PRP) during a busy, fully-booked clinic.
​I created this comprehensive video entirely in Arabic as an educational tool for your clinics. Feel free to share this link directly with your Arabic-speaking patients or in your clinic WhatsApp groups. It breaks down the complex medical concepts into simple, reassuring terms to save you time and improve patient compliance. Let's protect their vision together! 🤝

​🎬 The full video is now on the YouTube channel! (Link) 👇

​🔗 https://youtu.be/T3qtMe7dL4E

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👁️ في هذا الفيديو الشامل، نقدم لك كل ما تحتاج معرفته عن اعتلال الشبكية السكري، أحد أخطر مضاعفات مرض السكري على العين.📌 يغطي الفيديو:✅ 00:00 مقدمة عن مرض ال...

11/04/2026

🎓 الـ Full Lecture موجود على YouTube
رابط في البايو — Retina Squad Academy
ابحث عنه: "LECTURE 1.1 OCT Retina Squad Academy"

11/04/2026

Decoding the 4 Outer Retinal Bands on OCT 👁️📊 (Stop saying just "EZ"!)

🎓 الـ Full Lecture موجود على YouTube
رابط في البايو — Retina Squad Academy
ابحث عنه: "LECTURE 1.1 OCT Retina Squad Academy"

​When reading an OCT, many people just look at the Ellipsoid Zone (EZ) and stop there. But to truly master macular pathology, you need to recognize all 4 hyperreflective outer retinal bands!

​Let’s break them down from top to bottom:

1️⃣ Band 1: External Limiting Membrane (ELM) - Not a true membrane, but the zonular junctions between Müller cells and photoreceptors. An intact ELM means the photoreceptor cell bodies are surviving. ELM disruption is your earliest warning sign of damage!

2️⃣ Band 2: Ellipsoid Zone (EZ) - The true star of the show (formerly the IS/OS junction). It represents the mitochondria-rich inner segments. This is your ultimate Visual Acuity Predictor. (Intact = Good prognosis | Disrupted = Permanent damage).

3️⃣ Band 3: Interdigitation Zone (IZ) - The contact point between cone outer segments and RPE microvilli. Subtle, but critical in cone dystrophies.

4️⃣ Band 4: RPE/Bruch’s Complex - The solid foundation layer.

​🔥 High-Yield Board/FEBOS-R Pearl:

Do NOT confuse the spaces around the RPE!

👉 Sub-RPE Space (Between RPE & Bruch's): This is where Drusen live and where Type 1 MNV (Neovascularization) hides.

👉 Subretinal Space (Between RPE & Photoreceptors): This is where Subretinal Fluid (SRF) accumulates and where Type 2 MNV grows.

​🎬 The full Masterclass lecture is now LIVE on my YouTube channel! Hit the link in my bio to watch the complete episode and master OCT imaging. 👇

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