I-Tonometry iyivivinyo ukukala ukucindezela ngaphakathi kwamehlo akho, okubhekwa njengengcindezi ye-intraocular eye (IOP). Ukulinganisa ukucindezeleka kwamehlo kuyisici esibalulekile sohlolisiso lwamehlo olunzulu . Uma ingcindezi yamehlo yakho iba ngaphezulu kunejwayelekile, ungase ube engozini yokuthuthukisa izifo zeso njenge glaucoma . Ukucindezeleka kwamehlo okuphakeme kungalimaza izintambo ezinesibindi ngemuva kweso lakho, ngezinye izikhathi kubangele ukungaboni.
I-tonometer iyisithuluzi esinqumayo ukucindezelwa kwe-intraocular ngokulinganisa ukumelana kwe-cornea yakho ekuthumeni. Udokotela wakho wezilanga angasebenzisa enye yezindlela eziningana ukuze ahlole ukucindezela ngaphakathi kwamehlo akho.
I-Goldman Tonometry
I-tonometer ejwayelekile kunazo zonke abasebenzisa ukunakekelwa kwamehlo basebenzisa i-Goldman applanation tonometer njengokwenziwa yi-Zeiss. I-Goldman tonometer ivame ukuhlanganiswa ne-microscope yesibani sokubamba. Amaconsi e-iso anesthetic afakwa emehlweni akho, alandelwe inamba encane ye-fluorescein color. Ukukhanya okwesibhakabhaka e-cobalt bese kukhanyisa i-flurorescein ne-tonometer. I-probe encane igxiliwe ngobumnene ehlohlweni lakho, ingenayo i-cornea. Ukucindezela ukuthi i-cornea iphinde ibuyele ku-tonometer ilinganiswa ngamamitha ayi-mercury, inikeze udokotela wakho iso inombolo yokurekhoda nokuqhathanisa nakho unyaka nonyaka.
Okungewona oxhumana naye nge-Tonometry
I-tonometry engathintana nayo (i-NCT) ivame ukubizwa ngokuthi "ukuvivinya emoyeni ".
Abantu abaningi bakhetha lolu hlobo lwe-tonometry ngoba alubandakanyi ukuthinta iso. Esikhundleni salokho, i-puff air emoyeni isetshenziselwa ukwehlisa i-cornea. I-tonometry ye-NCT ayithathwa njengeyinkimbinkimbi njenge-Goldman tonometry kodwa inikeza indlela ewusizo kakhulu futhi ephuthumayo yokulinganisa ukucindezelwa kweso ezinganeni noma kubantu abadala abazwelayo.
I-Electronic Tonometry
I-tonometry ye-elekthronikhi ibhekisela kudivayisi ephathekayo, yeselula ukuthi udokotela wakho wezandla angayithwala kusuka egumbini kuya ekamelweni ukuhlola ingcindezi yeso. Ukubheka ipeni lokubhala, i-tonometer yeselula isetshenziswa ngokushelela futhi ngokushesha ku-cornea yakho. Udokotela wakho cishe uzothola ukufundwa kathathu ukuze uthole isilinganiso esifanele. I-tonometry ye-elekthroniki ayithathwa njengokwethenjelwa noma enembile njenge-Goldman tonometry kodwa isebenza ngokugcwele kakhulu kumsebenzi omatasa.
I-Schiotz Tonometry
I-schiotiz i-tonometry yindlela ye-indentation ye-tonometry. I-tonometer ye-indentation yenza izinyathelo zamehlo zilinganiselwe ngokulinganisa ukujula kokukhubazeka okubangelwa i-plunger encane yensimbi njengoba ihlala ku-cornea. Izisebenzi zokunakekelwa kwamehlo zanamuhla azivame ukusebenzisa i-indentation tonometry. Ngezinye izikhathi i-tonometry ye-Indent isetshenziselwa amahhovisi abasebenza ngokujwayelekile kanye nempi.
Ukucindezeleka kweso okujwayelekile kuhluke phakathi kwabantu. Uma ingcindezi yeso lakho liphakeme kunalesivamile, ingozi yakho yokuthuthukisa i-glaucoma ingakhuphuka.
Imithombo:
Eskridge, J Boyd, uJohn Amos noJimmy Bartlett. Izinqubo Zamtholampilo Ekusebenzeni I-Optometry, iphe. 221-237. I-JB Lippincott Company, ngo-1991.
U-Kurtz, uDaniel noNancy B. Carlson. Izinqubo zemitholampilo yokuhlolwa kwe-Ocular, iphe 289-300. I-McGraw-Hill Companis, Inc, 2004.