Izinombolo eziku-oda lakho lezibuko zamehlo zihlobene nokuma kwamehlo akho kanye namandla okubona kwakho. Zingakusiza ukuthi uthole ukuthi unazo yini ukubona eduze, ukubona kude noma i-astigmatism — futhi ngezinga elingakanani.
Uma wazi ukuthi yini okufanele uyibheke, ungaqonda izinombolo nezifinyezo eshadini lakho lemithi kadokotela.
I-OD vs. OS: Eyodwa ngeso ngalinye
Odokotela bamehlo basebenzisa izifinyezo ezithi “OD” kanye nethi “OS” ukuze babonise iso lakho langakwesokudla nelesobunxele.
● I-OD yiso lakho lokunene. I-OD isifinyezo se-oculus dexter, isisho sesiLatini esisho “iso lokunene.”
● I-OS yiso lakho lesobunxele. I-OS isifinyezo se-oculus sinister, nesiLatini esisho “iso lesobunxele.”
Imithi yakho yokubona ingaba nekholomu ebhalwe ukuthi "OU." Lesi yisifinyezo se-i-oculus uterque, okusho ukuthi "amehlo womabili" ngesiLatini. Lawa magama afingqiwe avamile emibhalweni yezibuko, amalensi okuxhumana kanye nemithi yamehlo, kodwa abanye odokotela kanye nemitholampilo bakhethe ukwenza imithi yabo yamehlo ibe yesimanje ngokusebenzisaIso lokunene (RE)futhiLE (iso lesobunxele)esikhundleni se-OD kanye ne-OS.
I-Sphere (i-SPH)
I-sphere ikhombisa inani lamandla elensi anqunyelwe ukulungisa ukubona eduze noma ukubona kude. Amandla elensi alinganiswa ngama-diopters (D).
● Uma inombolo engaphansi kwalesi sihloko iza nophawu lokususa (–),ubona eduze.
● Uma inombolo engaphansi kwalesi sihloko inophawu lokuhlanganisa (+),ubona kude.
Isilinda (CYL)
Isilinda sibonisa inani lamandla elensi adingekayo ukuzei-astigmatismIhlala ilandela amandla esimbulunga ku-prescription yeglasi yeso.
Inombolo ekholomu yesilinda ingaba nophawu lokususa (lokulungisa i-astigmatism ebona eduze) noma uphawu lokuhlanganisa (lokubheka kude).
Uma kungekho lutho oluvelayo kule kholomu, awunayo i-astigmatism, noma izinga lakho le-astigmatism lincane kakhulu kangangokuthi akudingeki lilungiswe.
I-axis
I-Axis ichaza i-lens meridian engenawo amandla esilinda ukuzei-astigmatism efanele.
Uma umuthi weglasi yeso uqukethe amandla esilinda, udinga futhi ukufaka inani eliqondile, elilandela amandla esilinda.
I-axis ichazwa ngenombolo kusukela ku-1 kuya ku-180.
● Inombolo engu-90 ihambisana ne-meridian eqondile yeso.
● Inombolo engu-180 ihambisana ne-meridian evundlile yeso.
Engeza
"Engeza" kusho ukuthiwanezela amandla okukhulisaKusetshenziswa engxenyeni engezansi yamalensi amaningi ukuze kulungiswe i-presbyopia — ukubona kude kwemvelo okwenzeka ngokuguga.
Inombolo evela kulesi sigaba semithi kadokotela ihlala iwuphawu "lokuhlanganisa", noma ngabe awuboni uphawu lokuhlanganisa. Ngokuvamile, izosukela ku-+0.75 kuya ku-+3.00 D futhi izoba amandla afanayo kuwo womabili amehlo.
I-Prism
Leli inani lamandla e-prismatic, alinganiswa ngama-diopters e-prism ("pd" noma unxantathu uma ebhalwe ngesandla), anqunyelwe ukukhokhelaukuqondanisa isoizinkinga.
Iphesenti elincane kuphela lemithi yezibuko zamehlo equkethe isilinganiso se-prism.
Uma ikhona, inani le-prism liboniswa ngamayunithi esiNgisi e-metric noma e-fractional (0.5 noma ½, isibonelo), futhi isiqondiso se-prism siboniswa ngokuqaphela indawo ehlobene "nesisekelo" sayo (umphetho ojiyile).
Kusetshenziswa izifinyezo ezine ze-prism: BU = isisekelo phezulu; BD = isisekelo phansi; BI = isisekelo ngaphakathi (ekhaleni lomuntu ogqokile); BO = isisekelo ngaphandle (endlebeni yomuntu ogqokile).
Uma unezinye izinto ozithandayo noma udinga ulwazi olwengeziwe lobuchwepheshe ngamalensi okukhanya, sicela ungene ekhasini lethu ngokusebenzisahttps://www.universeoptical.com/stock-lens/ukuthola usizo olwengeziwe.