
scanning lazer netra pareeksha

scanning lazer ophthalmoscopy (sloe) anedi kanti pareeksha yokka oka paddhati. idhi maanava kanti retina ledhaa carnia yokka diagnostic imaging kosam confocal lazer scanning microscopy saanketikatanu upayogistundi.
adhika sthaayi praadaesika sunnitatvamto reteenaanu chithreekarinchadaaniki upayoginche paddhatigaa, idhi glaucoma, macular degeneration mariyu itara retina rugmatala nirdhaaranalo sahaayapadutundi. retina yokka padunaina chitraalanu andinchadaaniki idhi adaptive optics technologytho marinta kalapabadindi.
scanning lazer netra pareeksha.
retina yokka nirdishta praantaanni skaan cheyadaaniki mariyu television monetarlo chudagalige raster chitraalanu roopondinchadaaniki sloe kshitija samaantara mariyu niluvu scanning addaalanu upayogistundi. idhi nija samayamlo reteenaanu chithreekarinchagaliginappati, idhi kanti drushtivaishamyamu mariyu carnia nundi pratibimbaalatoe samasyalanu kaligi untundi. kanti kadalikalu adanamgaa sloe nundi daetaanu gandaragolaniki gurichestaayi.
adaptive optics scanning lazer ophthalmoscopy.
adaptive optics scanning lazer ophthalmoscopy (aaslo) anedi sajeeva retina kanaalanu kolavadaniki upayoginche oka saanketikata. idhi retina yokka scanning lazer ophthalmoscopy nundi pondina chitraala nundi optical apreshanlanu tolaginchadaaniki adaptive opticsnu upayogistundi.
charitra.
scanning lazer ophthalmoscopy suukshmadarshini sthaayilo sajeeva kannu yokka pratyeka poranu chuudataaniki oka paddhatigaa abhivruddhi cheyabadindi. oka chinna pinn hole dwara kanugonabadina kaantini kendrikarinchadam dwara adanapu kaantini tagginchadaaniki confocal paddhatulanu upayoginchadam valla retina yokka vyaktigata poralanu munupennadoo lenantha ekkuva vyatyaasamtho chithreekarinchadam saadhyamaindi. ayithe, puurva kannu kanajaalaala nundi (mukhyamgaa carnia mariyu lens) srushtinchabadina optical apperrations kaaranamgaa vyaktigata retina kanaala paryaveekshanha kosam slonu upayoginchadam samasyaatmakamgaa niroopinchabadindi. eee apasaranalu (adanamgaa drushtivairudhyam mariyu kanti sthaanaanni prabhaavitam chese itara kaarakaala valla sambhavistaayi) parshwa spashtatanu tagginchaayi mariyu tolaginchadam kashtamgaa niroopinchabaddaayi.
adaptive optics modatisaarigaa 1980laloe sloe kosam prayatninchabadindi. eee modati prayatnam daani vaikalyapurita addamtho taranga-mundu-gurtinche saanketikatanu upayoginchaledu mariyu astigmatism vanti mundugaa kolichina kaarakaala dwara anchanaa vesina apasaranalanu upayoginchaledu. ayithe, idhi scanning samayamlo puurva kannu dwara kaanti vidyaarthi lopaliki mariyu velupaliki prayaaninchadam valla kalige chinna ekavarna vairudhyaalanu vyaapti cheyaledu. upakaranam kosam shock-hartman tarangamukha sensor yokka aavishkarana mariyu anusarana chaalaa ekkuva parshwa spashtatato retina chitraalanu utpatti chesindi. upakaranaaniki pedda, marinta khareedaina addam vaikalyam kaligina addam vyavasthalaku badulugaa microelectrical mechanical (mems) addaalanu jodinchadam valla aaslo vistruta shreni adhyayanalaku mariyu rogulalo upayogam kosam marinta upayogakaramgaa maarindi.
prakriya.
talanu moodu koonaalaloo marchadam saadhyamayye vidhamgaa vishayam oka dantha mudra mountloo unchabadutundi. vasati nundi hecchutaggulanu tagginchadaaniki dialeting agentnu upayoginchi vishayam yokka vidyaarthulanu vistaristaaru. kallu taginantagaa vistarinchina tarvaata, mountloo unnappudu oka lakshyanni nirdesinchamani vishayam cheppabadutundi.
vishayam sarigga unchina tarvaata, tarangamu mundu diddubaatu mariyu imaging jarugutundi. oka lazer kuurpu cheyabadi, aapai punjam-vibhajana addam nundi pratibimbistumdi. confocal slolo vale, kaanti anedi retina yokka vegavantamaina chitraala kosam kadile punjamnu samalekhanam cheyadaaniki kantini skaan cheyadaaniki mundu mariyu taruvaata kshitija samaantara mariyu niluvu scanning addam gundaa vellaali. adanamgaa, optical aperrationlanu vyaapti cheyadaaniki kantiki gurayye mundu mariyu taruvaata vaikalyam kaligina addam nundi kaanti pratibimbistumdi. lazer adhi kendrikarinchina praantaanni prakaasavantam cheyadaaniki vidyaarthi dwara kantiloki pravesistundi mariyu tirigi pratibimbimchae kaanti adhe vidhamgaa vadilivestundi. addaala nundi tirigi vachhe kaanti modati punjam splitter gundaa maroka punjam splitterpyki velutundi, akkada adhi ekakaalamlo photomultiplier tube (pmt) vaipu mariyu shock-hartman taranga mundu sensor shreni vaipu mallinchabadutundi. photomultiplier vaipu vellae kaanti confocal microscopy pinn hole dwara kendrikrutamai untundi, aasakti unna plain nundi pratibimbimchani kaantini tolaginchi, aapai pmt loe record cheyabadutundi. tarangamukha sensor shreniki darsakatvam vahinche kaanti shreniloni lensletla dwara vibhajinchabadutundi, aapai optical apavartanaalanu gurtinchadaaniki chaarj-coupled parikaram (sisidi) cameralo record cheyabadutundi. eee apavartanalu appudu parshwa spashtatanu baga penchadaaniki pii. emm. tii. loe namodu cheyabadina chitraala nundi teesiveyabadataayi.
applications.
fovia chuttoo cone kanaala praadaesika pampineeni nirnayinche saamarthyam anedi aaslo nundi perigina eee parshwa spashtata yokka pradhana upayogam. retina lopala vividha praantaalalo eee kanaala praadaesika saandratanu kanugonadame kakunda, eee kanaala anisotropeeni kooda jeevinchi unna vyaktilo retina kanaala akshasambandha dhoranini nirnayinchadaaniki lekkinchavacchu. idhi viraalamgaa icchina chinna sankhyalo maanava kalla saadhaarana hystological pareeksha kante pradhana prayojanaanni suuchistumdi. emetriopic kallatho poliste myopic kallaku fovial cone packing saandrata gananeeyamgaa taggutundani kooda ayoslo velladinchindi. myopiatho sambandham unna kanti akshasambandha podavu perugudalato cone saandrataloo sahaja taggudala nundi eee vyatyaasam udbhavinchindani oohinchabadindi. macular dystrophy valla debbatinna praantaalalo photoreceptor nirmaanamloo asaadhaaranatalu kooda aaslo dwara chitreekarinchabaddaayi. eee vishayaalalo, macular gaayam lopala oka cheekati praantam kanipinchindi mariyu padanirmaanaparamgaa asaadhaarana photoreceptorlu gaayam chuttukolatapai kanipistaayi. inca, cone dystrophy mariyu retinities pigmentosa (aarpi) unna vyaktula scanning saadhaarana retina unna vaaritho poliste eee vishayaala kosam cone packing saandrataloo gananeeyamaina maarpulanu choopinchindi. idhi vyaadhigrasta janyuroopaalu unna vyaktula kosam samalakshanaala tracking mariyu nirdhaaranalo bhavishyattulo aaslo yokka viniyogaanni andistundi.
retina vyaadhi unna mariyu laeni rogulalo retina pigment epithelium (arpe) kanaala imaging kooda aaslo vaadakamtho saadhyamani niroopinchabadindi. photoreceptor kanaalu kolpovadamtho, nepathya chellacheduruga unna kaanti taggutundi mariyu aarpeepai kendreekrutamaina kaantini marinta spashtamgaa vislaeshimchavachchu. arpy kanaala nashtam macular degeneration yokka praadhamika pathologyni suuchistumdi kabatti, idhi "inn vivo" loe arpy ksheenatanu track cheyadaaniki bhavishyat marganni andistundi. saadhaarana maanavulalo lipophusine granuel autofluorescence mariyu reasus macac retinaalalo ayoslo vislaeshanhatoe idhi marinta niroopinchabadindi. cone nirmaanam mariyu cone/retina pigment sell nishpatti vislaeshanha ekakaalamlo imagingto saadhaarana mariyu vyaadhigrasta retinaalalo eee pratideeptini polchadam saadhyamani choopabadindi mariyu bhavishyattulo retina dystrophyla nundi retina nashtanni track cheyadaaniki anumatinchavacchu. nirdishta tarangadairghyala nundi maculaku kaanti nashtam kaliginchadaanni gurtinchadaaniki reasus makaaklalo ippatike aaslo upayoginchabadindi.
adanamgaa, itara paddhathulatho saadhyamainanta kante kanti tracking kosam aaslo ekkuva khachitatvanni andistundi. ayoslo loe unde takkuva skaan samayam kaaranamgaa, kanti kadalika anedi retina chitraalanu teeyadaaniki addankigaa untundi. framela madhya kanti kadalika valla kalige vaikalyala kosam ganana sardubaatlu mariyu modeling sarididdagaligaayi. ayithe, chitraala madhya reteinalo maarpula aadhaaramgaa eee vichalnalanu track cheyadam dwara, cone yokka vyaktigata dhoranipai kaanti prabhavanni track cheyavachu. drushya uddeepana mariyu ayoslo kanti trackingnu upayoginche parisoedhanalu suukshmadarshini sthaayilo retina kadalikanu elaa track chestundane daanipai daetaanu andinchaayi.
adhika sthaayi vishishtata mariyu ayoslotho kalla yokka vividha sthaayilapai laejarnu kendrikarinche saamarthyam adanamgaa kantiloo rakta pravahanni nija samayamlo track cheyadaaniki anumatinchindi. scanning cheyadaaniki mundu makaaklaloki floresinnu inject cheyadam dwara, fluorescence adaptive optics scanning lazer ophthalmoscopy (fashlo) nuu naraala fiber poralooni vyaktigata kesanaalikalanu chithreekarinchadaaniki mariyu naraala fiber pora yokka mandaanni nirnayinchadaaniki upayoginchavacchu. eee kesanaalikalaku nauka namuunaa mariyu vyaasam faso dwara skaan cheyabadina praantaala antataa kolustaaru. naraala fiber pora mandamlo maarpulu ledhaa retina debbatinadam valla vasculaturelo maarpulu unna glaucoma rogulanu paryaveekshinchadaaniki idhi bhavishyat anuvartanaalanu kaligi undhi.
retina vichhedanam mariyu itara imaging paddhathulatho polchadam.
vividha kaaranaala valla retina vichchaedaaniki oka prayojanakaramaina pratyaamnaayaanni ayoslo suuchistumdi. ayoslo mundu cone packing saandrata vislaeshanha kanti daatala byaankula nundi mounted kallapai matrame saadhyamaindi. eee paddhati sajeeva kallalo sankuvulalo maarpulanu kolavalekapoyinanduna, kalakramena ledhaa kanti kadalikalato retina maarpulanu track cheyadaaniki dheenini upayoginchalekapoyindi. sajeeva vishayaala vaadakamtho, cone packing saandrata kosam saaruupya shareera nirmaana phalitaalanu nirvahistuunae, eee kolatalato paatu vayassu mariyu itara gandaragola kaarakaalanu sulabhamgaa niyantrinchadaaniki aaslo anumatistundi. aaslo kosam bhavishyat clinical chikkulu kooda saadhyame.
itara retina imaging paddhathulatho kooda aaslo anukuulamgaa polchabadutundi. floresin angiography retina venuka bhaganni chithreekarinchadaaniki floresin rangu yokka injectionnu upayogistundi. idhi saadhaaranamgaa upayoginche saanketikata, conny idhi rogulalo aidava vanthu mandhi vikaram mariyu konni sandarbhaallo anaphyloxis kaaranamgaa maranamtho sahaa pedda sankhyalo dushprabhaavaalanu kaligi untundi. optical coherence tomography (aakt) rogulalo retina physiologyni paryaveekshinchadaaniki oka saktivantamaina clinical saadhananni suuchistumdi. kanti lopala kanajalalanu vaeru cheyadaaniki mariyu sajeeva rogula retina yokka cross sekshannu invasivga srushtinchadaaniki aakt takkuva coherence interferometrini upayogistundi. idhi vaastavaaniki aaslo kante ekkuva aksheeya spashtatanu kaligi untundi. edemaina, ayaslo anedi aakt kante chaalaa ekkuva anuvaada spashtata kaligina paddhatini suuchistumdi, anduvalla retinapai kanti kadalikala prabhavalu vanti chinna parshwa bhouthika maarpulanu track cheyadaaniki upayoginchavacchu. vyaktigata cone kanaala yokka modati trimiteeya chitraalanu utpatti cheyadaaniki mariyu fovia sameepamlo unna mottam cone mojaayiknu adhika vegamtho vivarinchadaaniki iteevala oka parikaramlo aaslo mariyu aakt kalayika prayatninchabadindi.

