Phenylephrine yog sympathomimetic tus neeg sawv cev uas yog siv los kho cov iris yam tsis muaj cycloplegia cycloplegia Cycloplegic tshuaj feem ntau yog muscarinic receptor blockers. Cov no suav nrog atropine, cyclopentolate, homatropine, scopolamine thiab tropicamide. Lawv tau qhia rau siv nyob rau hauv cycloplegic refraction (kom tuag tes tuag taw cov leeg ciliary thiaj li txiav txim siab qhov tseeb refractive yuam kev ntawm lub qhov muag) thiab kev kho mob ntawm uveitis. https://en.wikipedia.org › wiki › Cycloplegia
Cycloplegia - Wikipedia
. Phenylephrine (2.5%) yog siv diagnostically rau fundus kev kuaj mob, thiab 10% phenylephrine yog siv kho mob los ua txhaum posterior synechiae thiab pupillary block.
Cycloplegic tshuaj yog dab tsi?
Cycloplegic tshuaj feem ntau yog muscarinic receptor blockers. Cov no suav nrog atropine, cyclopentolate, homatropine, scopolamine thiab tropicamide. Lawv tau qhia rau siv nyob rau hauv cycloplegic refraction (kom tuag tes tuag taw cov leeg ciliary thiaj li txiav txim siab qhov tseeb refractive yuam kev ntawm lub qhov muag) thiab kev kho mob ntawm uveitis.
Vim li cas tropicamide ua ke nrog phenylephrine?
Tus parasympathetic antagonist tropicamide thiab tus sympathetic agonist phenylephrine feem ntau yog siv los ua kom tiav dilation hauv qhov chaw kho mob . Hauv kev kawm ob lub qhov muag no, Siderov thiab Tus Kws Saib Xyuas Neeg Mob 3 tau tshaj tawm tias ob zaug qhov koob tshuaj ib txwm muaj ntawm 0.5% tropicamide tau ua tiav cov menyuam kawm ntawv loj dua.loj dua ib koob.
Yuav ua li cas cov tshuaj dilating tsis muaj Cycloplegic action?
Phenylephrine ib leeg yuav muab kev nthuav dav yam tsis muaj cycloplegia. Nws feem ntau siv ua ke nrog cov tshuaj anticholinergics los tsim kom muaj qhov siab tshaj plaws ntawm cov menyuam kawm ntawv.
Mydriatics thiab Cycloplegics yog dab tsi?
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.
