Shadowing Practice: Lecture: Uveitis-Glaucoma-Hyphema Syndrome (1 Slide in 5 Minutes) - Learn English Speaking with Video
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This is Malika Hook from the University of Colorado,
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and the topic today is uveitis glaucoma hyphema syndrome in this edition of One Slide in 5 Minutes.
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Uveitis glaucoma hyphema syndrome, also known as UGH syndrome,
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is a secondary inflammatory glaucoma classically related to an intraocular lens haptic
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and or optic rubbing on anterior chamber uveal and vascular structures, frequently involving the posterior surface of the iris and surrounding tissues.
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UGH syndrome is more likely to occur when squared -edged haptics, a design feature of most single -piece acrylic lenses commercialized today,
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are placed in the sulcus.
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You can see an image of that on endoscopy with a haptic sitting in the sulcus.
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Here's the anterior portion of the capsular bag, and the haptic is clearly outside of the capsular bag and sitting in the sulcus.
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Complications are less likely to occur with rounded PMMA, PVDF, or polypropylene haptics, which are found in three -piece IOL designs.
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UGH syndrome may also be associated with poorly sized anterior chamber IOLs
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and iris or scleral fixated IOLs when the haptics come in direct contact with the posterior surface of the iris,
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iris root, and vascular tissues proximate to the sulcus.
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With anterior chamber IOLs, remember
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that the proper size of the lens is obtained by using the horizontal corneal white -to -white distance and adding one millimeter.
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It is important to note that in -the -bag IOLs may also cause UGH syndrome when the bag is unstable, allowing for contact with adjacent tissues.
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UGH syndrome is classically associated with the triad of chronic inflammation, recurrent bleeding, and iris transillumination defects,
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with associated elevated intraocular pressure and occasional iris neovascularization and cystoid macular edema.
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The patient may present with complaints of episodic blurring of vision due to repeated hypemas, photophobia, red eye, and pain.
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Ultrasound biomicroscopy is helpful to determine position of the eye well,
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and you can see here a UBM image with a tilted optic on the intraocular lens
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and the haptic sitting posterior to the iris and in the sulcus as opposed to the opposite side haptic, which is sitting in the capsular bag.
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It is important to note that UBM can often indicate apposition of the haptic
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and or optic against specific ocular structures like the iris, but is not definitive evidence
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that the lens is out of the capsular bag since capsular bags may be compromised
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and may still allow for tilting and contact with adjacent structures despite the eye well being entirely within the capsular bag.
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Gonioscopy is essential to determine presence of blood that may not be visible without direct view of the angle.
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The level of angle pigmentation, look for distribution of pigment in all quadrants, and examine meticulously for any possible tumors that may mimic UGH syndrome,
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should also be noted as seen here in the bottom figure.
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Gonioscopy is also key to identify any neovascularization of the iris or the angle, which can be a feature of chronic UGH syndrome,
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but may also indicate presence of neovascular glaucoma, which can mimic UGH syndrome.
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Elevation in intraocular pressure can occur due to all factors noted above, with both physical plugging of the trabecula meshwork from pigment blood and inflammatory cells,
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as well as direct mechanical destruction of the trabecula meshwork from compression and or rubbing against IOL structures.
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The differential diagnosis includes uveatic glaucoma, traumatic hyphema, neovascular glaucoma, anterior segment tumors, and pigment dispersion glaucoma.
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From a treatment standpoint, practice pattern changes shifting from anterior to posterior intraocular lenses, enhanced IOL haptic and optic design features,
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use of modern acrylic materials, and improved surgical techniques have all led to a decrease in
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incidence of UGH syndrome from around 3 % to currently around 0 .4%.
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Treatment includes IOP -lowering medications while avoiding meiotics, which can increase contact between the iris and the intraocular lens,
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steroids to treat inflammation plus or minus nonsteroidal drops can also be used especially in the setting of cystoid macular edema.
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The definitive treatment involves surgical repositioning or exchange of the intraocular lens.
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Combining glaucoma surgery with IOL repositioning or exchange is often a hard issue to address
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and must consider the specific patient as well as the overall
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staging of glaucoma along with clinical examination of the angle to ascertain likelihood of the drainage system recovering over time.
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Consider visiting keogt .com for further educational material.
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This video and other educational videos can be found on YouTube, Twitter, and Instagram.
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Thank you for your time.
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Woordenschat en spreektips bij deze les
Deze spreekles is gebaseerd op de video “Lecture: Uveitis-Glaucoma-Hyphema Syndrome”. Deze woorden komen het vaakst terug: syndrome, haptic, iris, glaucoma, Iol. Deze video bevat 46 zinnen en 741 woorden om na te spreken. Het gesproken deel duurt 4:50. De spreker praat in een natuurlijk tempo van ongeveer 153 woorden per minuut, dicht bij een alledaags gesprek. Slechts 64% van de woorden hoort bij de 3.000 meest gebruikte Engelse woorden, dus de woordenschat is pittig.
Belangrijke woorden in deze video
15 woorden uit de video die het leren waard zijn, met uitspraak en betekenis:
| Woord | Uitspraak | Betekenis |
|---|---|---|
| syndrome zelfstandig naamwoord | /ˈsɪndɹoʊm/ | syndroom |
| iris zelfstandig naamwoord | /ˈaɪ.ɹɪs/ | lis, iris |
| lens zelfstandig naamwoord | /lɛnz/ | lens |
| angle zelfstandig naamwoord | /ˈæŋ.ɡəl/ | hoek |
| chamber zelfstandig naamwoord | /ˈt͡ʃeɪ̯mbɚ/ | slaapkamer |
| occur werkwoord | /əˈkɜː/ | plaatsvinden |
| tissue zelfstandig naamwoord | /ˈtɪʃ.(j)u/ | weefsel |
| indicate werkwoord | /ˈɪndɪˌkeɪt/ | aanwijzen, aanduiden |
| chronic bijvoeglijk naamwoord | /ˈkɹɑ.nɪk/ | chronisch |
| adjacent bijvoeglijk naamwoord | /əˈd͡ʒeɪ.sənt/ | aanpalend, er naast liggend |
| rub werkwoord | /ɹʌb/ | wrijven |
| tumor zelfstandig naamwoord | /tuː.məɹ/ | tumor, gezwel |
| definitive bijvoeglijk naamwoord | /dɪˈfɪn.ɪ.tɪv/ | definitief |
| inflammation zelfstandig naamwoord | /ɪnfləˈmeɪ̯ʃən/ | ontsteking |
| inflammatory bijvoeglijk naamwoord | /ɪnˈflæmət(ə)ɹi/ | opruiend |
Grammatica in deze video
De structuren die de spreker het meest gebruikt, met de exacte woorden uit de video:
| Structuur | In de video |
|---|---|
| Lijdende vorm be + voltooid deelwoord — het gaat om wat er gebeurt, niet om wie het doet | are placed · are found · be associated |
| Betrekkelijke bijzinnen who / which + zin — extra informatie over een persoon of ding | haptics, which are · haptic, which is · angle, which can |
Uitspraak om op te letten
- De klanken “sh” en “zh”: associate /əˈsoʊʃi.ət/, tissue /ˈtɪʃ.(j)u/, inflammation /ɪnfləˈmeɪ̯ʃən/, destruction /dɪsˈtɹʌkʃən/, examination /ɪɡˌzæm.ɪˈneɪ.ʃən/
- Lange woorden — let op de klemtoon: anterior /ænˈtɪɹ.i.ɚ/, associate /əˈsoʊʃi.ət/, definitive /dɪˈfɪn.ɪ.tɪv/, inflammation /ɪnfləˈmeɪ̯ʃən/, inflammatory /ɪnˈflæmət(ə)ɹi/
Klanken die Nederlandstaligen lastig vinden:
- Stemhebbende eindmedeklinker — /b/, /d/, /g/, /z/, /v/ niet verscherpen: lens /lɛnz/, involve /ɪnˈvɑlv/, rub /ɹʌb/, definitive /dɪˈfɪn.ɪ.tɪv/, compromise /ˈkɑmpɹəˌmaɪz/
- /æ/ — opener dan de Nederlandse “e”: anterior /ænˈtɪɹ.i.ɚ/, angle /ˈæŋ.ɡəl/, inflammatory /ɪnˈflæmət(ə)ɹi/, vascular /ˈvæskjələ/, mechanical /məˈkænəkəl/
- /g/ — een harde plofklank, geen Nederlandse “g”: angle /ˈæŋ.ɡəl/, examination /ɪɡˌzæm.ɪˈneɪ.ʃən/, segment /ˈsɛɡmɛnt/, diagnosis /daɪəɡˈnəʊsɪs/, examine /ɪɡˈzæmɪn/
Zo oefen je met deze video
- Luister de hele video één keer zonder te spreken en noteer de woorden die je niet kent.
- Begin op 0,75× snelheid, spreek zin voor zin na en ga terug naar normale snelheid zodra het makkelijk gaat.
- Neem jezelf op en vergelijk met het origineel; let daarbij op woorden als syndrome, iris, lens.
Wat is de Shadowing-techniek?
Shadowing is een wetenschappelijk onderbouwde taalleermethode die oorspronkelijk is ontwikkeld voor professionele tolkentraining en gepopulariseerd door polyglot Dr. Alexander Arguelles. De methode is eenvoudig maar krachtig: je luistert naar native Engelse audio en herhaalt het onmiddellijk hardop — als een schaduw die de spreker volgt met slechts 1–2 seconden vertraging. In tegenstelling tot passief luisteren of grammaticadrills, dwingt shadowing je hersenen en mondspieren om echte spraakpatronen tegelijkertijd te verwerken en te reproduceren. Onderzoek toont aan dat het de uitspraaknauwkeurigheid, intonatie, ritme, verbonden spraak, luisterbegrip en spreekvaardigheid aanzienlijk verbetert — waardoor het een van de meest effectieve methoden is voor IELTS Speaking-voorbereiding en echte Engelse communicatie.