3 OPTM4102_Embryology of the Eye_JC_2024(1).pdf

OPTM4102 Seminar 3: Embryology of the Eye Dr Jason Charng [email protected]  Acknowledgement of country The University of Western Australia acknowledges that its campus is situated on Noongar land, and that Noongar pe...

OPTM4102 Seminar 3: Embryology of the Eye Dr Jason Charng [email protected]  Acknowledgement of country The University of Western Australia acknowledges that its campus is situated on Noongar land, and that Noongar people remain the spiritual and cultural custodians of their land, and continue to practise their values, languages, beliefs and knowledge. Artist: Dr Richard Barry Walley OAM Objectives 1. Briefly describe the development of the Seminar 3 human eye Embryology of the Eye 2. Examples of developmental anomalies of the human eye 3 Embryology 4 Embryology of the Eye myosis- > replication of cells Embryology the science dealing with the formation, growth, development, of embryo embryo developing organs Fetas. · - I https://www.sciencedirect.com/science/article/pii/B9780123982704000033 abnormally small eyes. 5 Embryology of the Eye 3rd week onwards Start of eye formation (Day 22 embryo stage) Key features of development of the human visual system Hyaloid attery : provide untrients O. regress before baby born. ⑤ https://entokey.com/embryology-and-early-development-of-the-eye-and-adnexa/ 6 09 : 0 ~ But doesn't babe by week 8. can major one is complete mean be post part of retina need to be finalised see already.. Embryology of the Eye Video https://www.youtube.com/watch?v=USQsEPOt-yE 7 Embryology of the Eye Clinical presentations of imperfect developments of the human eye Optic Disc Pit Persistent Hyaloid Artery + Mittendorf’s Spot 8 Optic Disc Pit 9 Embryology of the Eye Optic Disc Pit Optic Disc No vision be no photoreceptor here. ↑T 10 Embryology of the Eye Left eye. by the patter of the blood vessle A Is this RE or LE?. Optic Disc Pit right eye. => Optic Disc ⑭ SAME? Not the same - O 14 48 : t https://www.mitchmedical.us/physical-diagnosis/info-xpz.html https://www.news-medical.net/health/Optic-Disc-Swelling-Overview.aspx grown eye = 11 developing eye => formation of Embryology of the Eye Optic Disc Pit right eye left eye RE/OD LE/OS O O 12 Embryology of the Eye. Temporal Optic Disc Pit Fovea temporal or nasal to ONH? Fovea temporal or nasal to ONH? 13 Embryology of the Eye Small, round excavated defect. Typically unilateral Optic Disc Pit C 22 10 : - NO neuve Tissue there F https://medicalart.johnshopkins.edu/portfolio-item/fundus- painting-of-a-congenital-coloboma-of-the-optic-nerve/ https://www.reviewofoptometry.com/article/when- and-how-to-treat-optic-disc-pit-maculopathy 14 https://www.frontiersin.org/articles/10.3389/fopht.2023.1222979/full Embryology of the Eye Optic Disc Pit Normal eye O W Notissue https://www.nature.com/articles/s41433-020-01288-x * 15  Prog nosis : how depends on Embryology of the Eye much fluid start with Optic Disc Pit complication: optic disc pit maculopathy - Sth with wrong macular hard very O to get long to O neddles in get retina lifted be fluid up underneath. No vision. https://pubmed.ncbi.nlm.nih.gov/27847606/ 16 O 25. 30 fluid goes in , travel through the retina. vision bad push in....... French Persistent Hyaloid Artery Mittendorf’s Dot Bergmeister’s Papilla 17  Artery hyaloid ↑ 18 https://eyewiki.org/Bergmeister_Papilla  can't shadow/dot get used to it so see the. But brain , didn't regress properly. front part O A Mittendorf dot is a small, circular opacity on the posterior lens capsule, classically nasal in location, which represents the anterior attachment of the hyaloid artery. The hyaloid artery is present during gestation and typically regresses completely. Failure to do so can lead to benign findings, such as a Mittendorf dot or persistent hyaloid artery Does the patient ‘see’ them? https://www.sciencedirect.com/science/article/pii/S2173579412000151 19 Embryology of the Eye Persistent Hyaloid Artery and Mittendorf’s Dot Con the lens) https://en.wikipedia.org/wiki/Hyaloid_artery https://www.sciencedirect.com/science/article/pii/S2173579412000151 20 Embryology of the Eye tunica vasculosa lentis 1 vasa hyaloidea Mittendorf Dot propria 2 aboid artery hyy 21 https://www.retinareference.com/diseases/5377ff5d5247a147/images/5377ff5d52/ Embryology of the Eye ⑭O Bergmeister Papilla regress O O retina T - 22