I-Digital retinal imaging iyakuba yinto eyongezelelweyo yokuba nokuhlolwa kwemehlo yonyaka. Ngexesha elilandelayo uhlolisisa kwiofisi yakho ye-optometrist ukuhlolwa kwakho kombono, umathuba uya kunikwa ifom ukuze ukhethe ewe, okanye cha, ukuba uvumelane nokuba novavanyo olongezelelweyo abaninzi oogqirha beziliso abaye benzayo njengokomelezwa kubo ukuhlolwa kwamehlo .
Yintoni?
Ngokufika kweefoto zedijithali, imboni yokunyamekela kwamehlo ngoku ivelisa iikhamera zedijithali zedijithali ezenza imbonakalo emangalisayo ngaphakathi kweso. I-Digital retinal imaging, i-DRI imfutshane, isenzo sokuthatha isithombe sezedijithali ngaphakathi ngaphakathi kweso, kubandakanywa ne- retina , imbilini ye-optic, i-macula kunye nemithambo yegazi. Lo mfanekiso usetyenziselwa ukukhenkcelela izifo zamehlo kwaye ungasetyenziselwa ukuthelekisa nemifanekiso ethathwe kwiimviwo ezizayo. Ukuba imeko okanye isifo sifumaneka, ugqirha uya kuphinda uvavanyo kunye nesisombululo esiphezulu kunye novavanyo oluphezulu, olubizwa ngokuba yi-fundus photography. Ukucinga ngokuphindaphindiweyo kwedijithali yokuzibuyisela idijithali ngokuqhelekileyo kwenziwa ngokusisombululo esezantsi ukujonga injongo kwaye isebenza njengolu vavanyo olusisiseko.
Ingaba Iindleko ezingaphezulu?
Ewe, izicwangciso zokunyamekela kunye neenkqubo zomshuwalense wezempilo azibandakanyi ukuhlolwa kweso-retinal rhoqo. Uninzi lwamaonyogada ahlawula umrhumo oqokelelweyo ovela kwi-$ 15- $ 50. Nangona kunjalo, uvavanyo lubonelela ngolwazi olongezelelweyo ukuqinisekisa ukuba amehlo akho aphilileyo.
Ukujonga ngaphakathi ngaphakathi kwi-Examin Exam?
Kukho ukungafani phakathi kovavanyo lokujonga ukuhlolwa komboniso kunye noviwo olubanzi lwezonyango. Uninzi lweemviwo lubandakanya inxalenye yoviwo apho ukuxuba amaconsi kufakwe kwiso. Oku kubangela ukuba umfundi akwandise ukuze ugqirha akhangele iliso lakho.
Nangona kunjalo, kunzima ukubona i-retina yonke kwaye ngamanye amaxesha, ngenxa yabafundi abancinci okanye ukusebenzisana nesigulane, kunzima ukuba i-optometrist okanye i-ophthalmologist ukujonga into ayifunayo. I-Digital retinal imaging inikeza indlela eyahlukileyo yokubukela i-retina edla ngamanye amaxesha ugqirha ugqirha malunga neemeko ezithile zamehlo. Ezinye zeenguqu ezizifihlakeleyo zingabonwa ngcono ngumbono we-digital retinal imaging. Ngokuxhomekeka kuhlobo lwesitya esisetyenzisiweyo, ukucinga ngomfanekiso we-digital retinal inikeza umbono ongcono we-retinal periphery.
Kuthiwani Ngeliyo Elijongene Nelihlo?
Ngaba oku kuvivinyayo kuthetha ukuba andifuni ukujonga amehlo, ungacela. Akukho. Ukujonga ngokwenyama kwiso kusabalulekile. Nangona kunjalo, ukusebenzisa i-digital retinal imaging inikeza iintlobo ezahlukeneyo zolwazi. Ukudibanisa zombini kukuvumela ugqirha wezilanga ukuba enze uvavanyo olungcono lwezempilo.
Izixhobo ezisetyenziselwa ukwenza i-DRI
Kukho iintlobo ezahlukeneyo zoomatshini ezi-3 ezahlukahlukeneyo ezinokwenza i-digital retinal imaging. Ngamnye unikeza umbono oyingqayizivele ngaphakathi kweso kwaye ngamnye usebenzisa indlela eyahlukeneyo ukufumana imifanekiso. Kukho iingenelo kunye nokuphazamiseka kuzo zonke iindlela ezintathu.
- Iifowuni zeFundus - Iikhamera ze- Digital fundus zifumaneka ngabakhiqizi abaningana. Bavelisa imbono ye-45-degree ye-retina. Nangona inkalo yembono i-45 degrees kuphela, iikhamera ze-fundus zinika imifanekiso ephezulu yokulungiswa.
- I-Optos UWF (ukucatshulwa kwenkundla ebanzi) - I- Optos isebenzisa ubuchule obukhethekileyo obunelungelo lobunikazi obuvumela ukuba umfanekiso we-retina ubonwe ngaphandle kokusebenzisa nayiphi na into ekhethiweyo yamehlo. Izixhobo ze-Optos ze-UWF zithandwa kakhulu phakathi koogqirha bamajoni. Nangona ngokwengcali ayifaki ukuhlengahlengisa iliso ngexesha loviwo, abanye oogqirha banomuvo wokuthi usebenza kakuhle ngaphandle kokuphazamiseka kokunciphisa amaconsi.
- I-Eidon ye-Centervue ye- Eidon ye-Centervice isebenzisa umbala weqiniso we-confocal scanner. Ingathatha umfanekiso we-60-degree kwi-exposed exposure kuphela kodwa inokubonelela ngombono okhulu kakhulu ngokusebenza okongeziweyo, ukudibanisa ukuya kwiimifanekiso ezisixhenxe ezahlukeneyo kwimboniselo ye-110-degree. I-Optos inikeza inkalo ebanzi yombono, kodwa isixhobo se-Eidon sinika isisombululo esingcono kunye nombala.