Tag nrho cov cycloplegics kuj yog mydriatic (cov tub ntxhais kawm dilating) cov neeg ua haujlwm thiab siv xws li thaum kuaj qhov muag kom pom kev zoo dua ntawm retina.
Qhov twg mydriatic tsis tsim cycloplegia?
Phenylephrine yog cov tshuaj siv ntau tshaj plaws hauv pawg no. Nws muaj nyob rau hauv 2.5% thiab 10% tov. Lub 10% lub zog ua kom nce tus nqi tab sis tsis yog qhov loj ntawm mydriasis thiab muaj txiaj ntsig zoo rau kev rhuav tshem posterior synechia. Phenylephrine ib leeg yuav muab rau dilation yam tsis muaj cycloplegia.
Dab tsi yog mydriatics thiab Cycloplegics?
Cycloplegics/mydriatics yog tshuaj kho mob ophthalmic uas yog siv los nthuav cov menyuam kawm ntawv (mydriasis). Txhua yam tshuaj cycloplegic/mydriatic ua haujlwm nyob rau hauv ib txoj kev sib txawv los tswj kev dilation hauv cov menyuam kawm ntawv rau lub sijhawm teev tseg.
hom tshuaj twg yog mydriatics?
Cov tshuaj tsis siv neeg siv los xyuas kom meej qhov siab tshaj plaws ntawm cov hlab ntsha hauv plab ua ntej ua haujlwm, uas yog qhov tseem ceeb rau kev ua tiav lub lens extraction. Short-acting mydriatics feem ntau yog siv. Feem ntau siv mydriatics yog phenylephrine hydrochloride thiab tropicamide.
Dab tsi yog mydriatics piv txwv?
A mydriatic yog tus neeg sawv cev uas induces dilation ntawm cov tub kawm ntawv. Cov tshuaj xws li tropicamide yog siv nyob rau hauv cov tshuaj kom tso cai rau kev kuaj mob ntawm lub retina thiab lwm yam sib sib zog nqus lug ntawm lub qhov muag, thiab kuj yuav txo tau mob ciliary nqaij spasm (saib cycloplegia).
