I-Tonometry kukuvavanya ukulinganisa ingcinezelo ngaphakathi kwamehlo akho, ekubhekiswa njengengcinezelo yamehlo ye-intraocular (IOP). Ukulinganisa ingcinezelo yamehlo kuyimfuneko ebalulekileyo yovavanyo olujonge amehlo . Ukuba isohloko lenu liba phezulu kunexesha eliqhelekileyo, unokuba usengozini ekuphuhliseni izifo zamehlo ezifana ne- glaucoma . Uxinzelelo lwamehlo oluphezulu lunokuyonakalisa iimbilini ezinobunzima emlenzeni lakho, ngamanye amaxesha kubangelwa ukuba ungaboni.
I tonometer isixhobo esichazela uxinzelelo lwe-intraocular ngokulinganisa ukuxhatshazwa kwe-cornea yakho ukuya kwi-indentation. Udokotela wakho wezilanga angasebenzisa enye yezindlela ezininzi ukulinganisa uxinzelelo ngaphakathi kwamehlo akho.
Goldman Tonometry
I-tonometer eqhelekileyo yokuba abasebenzi beziliso zamehlo basebenzisa i-Goldman ye-tonometer ye-tanometer njengokwenziwa ngu-Zeiss. I-Goldman tonometer idla ngokuqhotyoshelweyo kwi-microscope yesibane. Amaconsi esiso se-anesthetic afakwe ngaphakathi kwamehlo akho, elandelwa ngumlinganiselo omncinci wedayi ye-fluorescein. Ukhanyiso oluhlaza okwesibhakabhaka olukhanyayo lukhanyisa i-flurorescein kunye ne-tonometer. Inkcenkcesho encinci igxininiswe ngenyameko kwiso lakho, ingenayo i-cornea. Uxinzelelo oluthi i-cornea iphinda ibuyele kwi tonometer lilinganiselwa kuma-millimeters ye-mercury, inika ugqirha lakho kwilungu ukuba lirekhode kwaye lifanise kunye nonyaka.
I-Non-Contact Tonometry
I-tonometry engabandakanyekanga (i-NCT) ibizwa ngokuqhelekileyo njengolu vavanyo "lwe- puff ".
Abantu abaninzi bakhetha olu hlobo lwe-tonometry kuba alubandakanyi ukuchukumisa iliso. Esikhundleni saloo nto, i-puff yomoya isetyenzisiweyo isetyenziselwa ukuphosa i-cornea. I-tonometry ye-NCT ayithathwa njengento echanekileyo njengeGoogleman tonometry kodwa inika indlela efanelekileyo kunye nekhawulezileyo yokulinganisa ukunyanzelwa kwamehlo kubantwana okanye abantu abadala.
I-Tonometry yombaneli
I-tonometry ye-elekthronikhi ibhekisela kwisicatshulwa esiphathwa ngesandla, esisigxina esilunokugqithisa ugqirha lakho lwamehlo ukusuka kwigumbi ukuya kwelinye indawo ukujonga ingcinezelo yeso Ukubamba ipeni yokubhala, i tonometer ephathekayo isetyenziswe ngokukhawuleza kwaye isetyenziswe kwi-cornea yakho. Ugqirha wakho uya kufumana malunga nokufundwa kathathu ukwenzela ukuba afumane imilinganiselo echanekileyo. I-tonometry ye-elekthroniki ayithathwa njengokwethenjelwa okanye echanileyo njengeGoogleman tonometry kodwa iyanceda ngokugqithiseleyo umsebenzi oxakekileyo.
Schiotz Tonometry
I-tchiyetri ye-Schiotiz yindlela yokwenza i-tonometry ye-indentry. I-tonometer ye-indent ibeka uxinzelelo lwamehlo ngokulinganisa ubunzulu bokukhubazeka obangelwa i-plunger encinci ye-metal njengoko ihlala kwi-cornea. Iingcali zokunakekelwa kwamehlo ezinamhlanje azifane zisebenzise i-tonometry ye-indentation. Ngamanye amaxesha i-tonometry ye-Indent isetyenziswa kwiiofisi zengcali jikelele kunye nomkhosi.
Uxinzelelo lwamehlo oluqhelekileyo luhluke phakathi kwabantu. Ukuba ixinzelelo liso lakho liphezulu kunelo liqhelekileyo, ingozi yakho yokuphuhlisa i-glaucoma inganyuswa.
Imithombo:
Eskridge, J Boyd, uJohn Amos noJimmy Bartlett. Iinkqubo zeCliniki kwi-Optometry, iphepha 221-237. I-JB Lippincott Inkampani, ngo-1991.
UKurtz, uDaniel noNancy B. Carlson. Iinkqubo zeeNtsholongwane zeMvavanyo yeeOli, iphe 289-300. I-McGraw-Hill Companis, Inc, 2004.