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OOLS - Online Optom Learning Series - Session 72 (18th October 2020) Here we bring you the 72nd session of our online learning series which was live on 18th October 2020 at 06:30pm IST. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ All about this Session: Introduction (00:00) Sweta Ravichandran, a practicing optometrist, and an anterior segment expert begins by introducing the Optical Coherence Tomography (OCT) and explaining how an OCT works, its principle, and its types. 1. Time-domain OCT (05:05) 2. Spectral Domain OCT (06:00) 3. Swept-source OCT (07:35) 4. Ultrahigh-resolution OCT (07:56) We learn about the different imaging modes available for the AS-OCT and how a normal anterior segment OCT appears. We also learn the differences between ultrasound biomicroscopy and OCT. Then we look at examples of how certain conditions will appear on the AS-OCT 1. Corneal Diagnostics (12:40) a. Corneal scar (13:35) b. Fuch’s dystrophy (16:00) c. Corneal grafts (17:34) i. Deep anterior lamellar keratoplasty (19:40) ii. Descemet's stripping endothelial keratoplasty (20:30) iii. Descemet membrane detachment (21:21) iv. Graft host rejection (22:10) d. Descemet membrane folds and corneal bullae (22:48) e. Interstitial space (23:38) f. Intrastromal corneal ring segments (25:55) g. Acute corneal hydrops (27:36) h. Ulcer (29:21) i. LASIK flap (31:28) j. Boston Type 1 Keratoprosthesis (33:24) k. Implantable Collamer Lens (36:10) l. Phakic IOL (38:35) m. Adherent Leukoma (39:20) n. Ocular surface squamous neoplasia (40:08) o. Salzmann nodular degeneration (41:31) 2. Conjunctival diagnostics (42:52) a. Pterygium (43:02) b. Melanoma (43:52) c. Conjunctival Lymphoma (44:17) d. Modified Osteo-Odonto-Keratoprosthesis (46:38) 3. Glaucoma Diagnostics (46:50) a. Open and closed angles (50:10) b. Open Angle – Different AC depth (50:40) c. Closed Angle (51:18) d. Pupillary block – narrow-angle (52:18) e. Plateau iris configuration (53:17) f. Peripheral iridotomy (54:40) g. Bleb (55:43) h. Ahmed glaucoma Valve (57:39) After showing all the conditions, we conclude that though AS-OCT is an excellent technique for diagnosis it isn’t a stand-alone method. We can also use AS-OCT for dry eyes and various other ocular conditions. The session ends with a Q and A session for the live audience. Question and Answer Segment (1:01:20) References: http://bit.ly/referencesforoptomswetha _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ We would like to thank Optom. Swetha Ravichandran for this wonderful session on a detailed explanation of Anterior Segment OCT or AS-OCT where she described various anterior segment conditions and their interpretation techniques. We thank all the participants who attended the lecture and asked a few important questions so that we learn and go home with a great message. Do leave a comment below for any suggestions you want to convey. Like and Share the Video if you think it's informative to your friends and colleagues. Subscribe to our channel to view more OOLS sessions and eyecare related videos in the upcoming future. Online Optom Learning Series(OOLS) is managed by S.K. Optics. OOLS is accredited by the Optometry Council Of India (OCI), Integrated Philippine Association of Optometrist (IPAO), Philippine Society of Public Health, and Occupational Optometry (PSPHOO), and Optometry Vietnam. Education Supported by SEGi University Online Connect With Us - Website : https://www.ools.co.in || https://www.skoptics.org WhatsApp : https://bit.ly/skopticswhatsapp Facebook : https://bit.ly/skopticsfb Instagram : https://bit.ly/oolsinstagram Twitter : https://bit.ly/skopticstwitter Email : [email protected] LinkedIN : https://bit.ly/skopticslinkedin Credits - Intro Video Music by Diego Nava - You Got Jazz Outro Music by X Ray Vision - Slynk Video Editor - Wondershare Filmora 9