Isichazamazwi sokuhlolwa kokuphendula kwamapupillary
Ingabe uyazibuza ukuthi udokotela wakho wezilanga ubheka kanjani njengoba ekhanyisa ukukhanya okukhulu emehlweni akho? Qinisekisa ukuthi lokhu kukhanya akuhloswanga ukukucasula-kunenjongo futhi "kungakhanyisa" ukuthi uhlelo lwakho lwezinzwa lusebenza kanjani kahle.
Ngokuqondile, lokhu kuhlola iso, okubizwa ngokuthi ukuhlolwa kwempendulo yamapupillary, kusetshenziselwa ukuhlola ukusebenza kwe-cranial nerve II (ebizwa ngokuthi i-optic nererve) ne-cranial nerve III (ebizwa ngokuthi i-oculomotor nererve). I-nertic optic iveza izimpawu ezibonakalayo kusukela ku-retina kuya ebuchosheni. Ukulimala kwenzalo ye-optic (njenge- neoptic neuritis ) kungabangela izinkinga zombono.
I-oculomotor nererve ilawula izinyanga eziyisithupha zamehlo futhi iphinde ilawule i-constriction yomfundi kanye nekhono leso ukugxila. Ukulimala kwenzalo ye-oculomotor (efana nokulimala kwekhanda, ukutheleleka, ukucindezeleka kwegazi, noma ubuchopho obuchosheni) kungabangela umbono ophindwe kabili noma umfundi okhulisiwe noma ovuthayo.
Kuyini PERRLA?
Uma udokotela noma unesi ehlola amehlo isiguli, i-PERRLA isichazamazwi esetshenziselwa ukuchaza ukubukeka nomsebenzi wamehlo. Imelela:
- Amap
- E qual
- R ound
- R sebenzisa
- L ight futhi
- Indawo yokuhlala (okusho ikhono lamehlo ukugxila ezintweni eziseduze nakude)
Ukuhlola iso (okuchazwe yi-PERRLA) kungaba okungavamile uma abafundi be:
- Akulona usayizi ofanayo
- Akuyona nxazonke (misshapen)
- Ungaguquki (ungasebenzi) uma ukukhanya kukhanya kubo (kufanele bazuze)
- Ungaguquki (ungahlali) lapho ubheka okuthile okude noma kude
Ukuhlolwa Kwempendulo Ye-Pupillary Okuchazwe yi-PERRLA
Ukuqhuba ukuhlolwa kwempendulo yamapupillary , umuntu uvame ukucelwa ukuba ahlale endaweni evulekile noma ekamelweni ukuze enze lezi zinyathelo ezilandelayo:
- Udokotela noma umhlengikazi uzobheka ukufana phakathi kokubili abafundi futhi abone ukuma nobukhulu ngaphambi kokuqala ukuhlolwa.
- I-flashlight encane ephathekayo ishukunyiswa emuva naphakathi kwamehlo njalo ngemizuzwana emibili futhi isetshenziselwa ukukhanyisa amehlo. Lokhu kuhlolwa kubizwa ngokuthi "ukuguqula ukukhanya kwe-flashlight." Udokotela noma umhlengikazi ufuna impendulo ngokuqondile ekuhloleni ukukhanya kwe-flashlight, ukuze abone ukuthi abafundi bahlonyana yini (ukulinganisa) ekuphenduleni ukukhanya okuqondile, kungakhathaliseki ukuthi yiluphi ilanga ukukhanya okuqondiswayo.
- Ngesikhathi esifanayo, ukuqhutshwa komunye umfundi kufanele kwenzeke (lokhu kubizwa ngokuthi impendulo ye-consensual ).
- Udokotela noma umhlengikazi angasebenzisa ipeni noma umunwe wenkomba ukuze ubone indlela amehlo ahlela ngayo into. Umunwe uyadonsa emuva, phambili futhi uhlangothini ukuze ubone ukuthi amehlo angakwazi ukugxila. Ngokuvamile, abafundi baqiniswa ngenkathi behlelwa ezintweni ezihanjiswa eduze noma ezikude.
Okushiwo yi-PERRLA Test
Ukusabela okuqondile ekukhanyeni kwelinye iso kungase kube uphawu lwesiphakamiso esithandanayo se-pupillary defect (RAPD) . Lokhu futhi ngezinye izikhathi kuthiwa ungumfundi kaMarcus Gunn.
Kunezimo eziningi ezahlukene eziholela ku-RAPD njenge:
- I- glaucoma enamandla
- I-neuritis esebenzayo
- Isisu se- nertic optic
- I-Ischemic optic neuropathy (ebizwa nangokuthi "ukushaya kwesifo somzimba")
- Ukulimala kwekhanda okulimaza i-optic nererve
- Ukulimala okuhlinzekwayo kwenzalo ye-optic (ngenxa yomonakalo obangelwa i-anesthesia, iso, i-orbital, isinus, noma ukuhlinzwa kwe-plastiki )
- Izifo ezithathelwanayo ze-retinal
Indawo yokuhlala engavamile (impendulo yokubheka into ehamba phambili) ingabangelwa izimo ezihlukahlukene, kufaka phakathi:
- Izilonda ze-optic nererve
- Izilonda ze-oculomotor nererve
Izwi elivela
Iso liyilungu eliyinkimbinkimbi njengoba kunjalo yizibilini ezilawulayo. Okumangalisa ukuthi, ukuhlola okulula njengendlela yokuhlolwa kwempendulo yamapupillary kusebenza njengefasitela ohlelweni lwakho lwezinzwa.
Ngenkathi ukuhlolwa okungavamile kungenakuhlinzeka ngokuxilongwa okuqondile, kubonisa udokotela ukuthi kukhona okungalungile nokuthi ukudinga kakhulu kwezokwelapha kuyadingeka.
Njengoba kunjalo, qiniseka ukuthi ubuze udokotela wakho mayelana nezimpawu zakho kanye nemiphumela yanoma yikuphi ukuhlolwa okuphathelene namehlo akho nombono.
Imithombo:
I-American Association ye-Ophthalmology ye-Pediatric Ophthalmology. I-Third Nerve Palsy.
Blumenfeld H. Neuroanatomy ngokusebenzisa Amacala Clinic: Pupillary Izimpendulo (CN II, III).
> Broadway DC. (2012). Indlela yokuhlola isici esingathandeki se-pupillary defect (RAPD). I-Eye Eye Health, 25, 79-80, 58-59.
U-Heiting G, uPalombi J. (September 2016). Yini Ongayilindela Ngesikhathi Sokuhlolwa Kwamehlo Ephelele.