Opthal: Age-Related Macular Degeneration: Free MSRA Podcast

 👁️‍🗨️ Age-related Macular Degeneration(AMD): The Fast Facts for MSRA 🚦🔍 What is AMD?AMD = progressive degeneration of the macula (central retina) → central vision loss.#1 cause of severe visual impairment in older adults in the UK. 🧬 TypesDry (atrophic) AMD 🟡 (90%) Gradual loss, drusen (yellow deposits), slow atrophy.Wet (neovascular/exudative) AMD 💧 (10%) Rapid, severe vision loss. Caused by leaky, abnormal new blood vessels under the macula. 🧑‍⚕️ Causes & RisksAge ↑ (biggest risk)Genetics (family history)Smoking 🚬 (x2-5 risk & more severe)CV: Hypertension, high cholesterol, diabetesUV light ☀️, poor diet, obesity, Caucasian ethnicity, female gender ⚡️ PathophysiologyDry: Drusen accumulate → damage retinal pigment epithelium (RPE) → photoreceptor loss.Wet: Choroidal neovascularization → vessels leak fluid/blood → fast central vision loss. 🤔 DifferentialsDiabetic maculopathy, myopic degeneration, CSR, macular dystrophies, macular hole, retinal vein/artery occlusion, late glaucoma, stroke/tumor (visual pathway), cataract, posterior vitreous detachment. 📊 EpidemiologyPrevalence increases steeply with age: 2.4% (>50y), 5% (>65y), 12% (>80y)90% dry, 10% wet—but wet AMD causes most severe vision loss. 🛑 SymptomsBlurry or distorted central vision (trouble reading, faces)Metamorphopsia (straight lines bend)Central scotoma (dark/empty spot)Loss of contrast/colour, glareCharles Bonnet syndrome (visual hallucinations) 🩺 DiagnosisFundoscopy: Drusen (dry); subretinal fluid, hemorrhage, exudates (wet)OCT (Optical Coherence Tomography): Essential for detecting retinal changes/fluidFluorescein angiography: For diagnosis/planning wet AMDAmsler grid: Self-test for distortion 💊 ManagementDry AMDNo cure—but slow progression:Lifestyle: Stop smoking, healthy diet (leafy greens, lutein)Supplements: AREDS2 (antioxidants, zinc, lutein, zeaxanthin)Low vision aids, regular monitoringWet AMDUrgent referral!Anti-VEGF injections (e.g., ranibizumab, aflibercept, bevacizumab)🏥 Given monthly, then as needed based on OCT.Rare: Photodynamic therapy (PDT), laser (uncommon now)Supportive: Visual aids, driving advice, support groups 🧨 ComplicationsCentral vision loss → legal blindnessWet AMD: Rapid progression, subretinal hemorrhage, retinal detachmentAnti-VEGF: Infection, inflammation, rarely retinal detachment, IOP riseMental health: Depression, social isolation, falls risk 🔗 Revision ResourcesRevision Notes:https://www.passthemsra.com/topic/age-related-macular-degeneration-revision-notes/Flashcards:https://www.passthemsra.com/topic/age-related-macular-degeneration-flashcards/Accordion Q&A:https://www.passthemsra.com/topic/age-related-macular-degeneration-accordion-qa-notes/Rapid Quiz:https://www.passthemsra.com/topic/age-related-macular-degeneration-rapid-quiz/Quiz:https://www.passthemsra.com/quizzes/age-related-macular-degeneration/More free revision:https://www.passthemsra.comhttps://www.freemsra.com 🏁 Key TakeawaysAMD = dry (slow, drusen) or wet (rapid, leaky vessels)Biggest risks: Age & smoking!Diagnosis = clinical + OCTManagement:Dry: Lifestyle, AREDS2, monitorWet: Urgent anti-VEGF injectionsRegular review needed—early detection = better vision! #MSRA#AMD #Ophthalmology #MSRARevision #CentralVision #AntiVEGF #PasstheMSRA#FreeMSRA 👁️‍🗨️🦉✨