sub-Tenon injection
{{Short description|Ocular route of drug administration}}
Sub-Tenon injection is an ocular route of drug administration. It involves administration of a medication to the area between the sclera and the Tenon's capsule.{{cite journal|title=Peribulbar anesthesia and sub‐Tenon injection for vitreoretinal surgery: 300 cases|year=2000 |doi=10.1034/j.1600-0420.2000.078002196.x|doi-access=free|last1=Calenda |first1=Emile |last2=Olle |first2=Priscille |last3=Muraine |first3=Marc |last4=Brasseur |first4=Gérard |journal=Acta Ophthalmologica Scandinavica |volume=78 |issue=2 |pages=196–199 |pmid=10794256 }}
Posterior sub-Tenons steroid injections (PSTSI) is used in the treatment of posterior ocular inflammation, such as chronic uveitis.{{cite journal | url=https://pubmed.ncbi.nlm.nih.gov/10208261/ | pmid=10208261 | year=1999 | last1=Lafranco Dafflon | first1=M. | last2=Tran | first2=V. T. | last3=Guex-Crosier | first3=Y. | last4=Herbort | first4=C. P. | title=Posterior sub-Tenon's steroid injections for the treatment of posterior ocular inflammation: Indications, efficacy and side effects | journal=Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht von Graefes Archiv für Klinische und Experimentelle Ophthalmologie | volume=237 | issue=4 | pages=289–295 | doi=10.1007/s004170050235 | s2cid=23298901 }} This route is also reported to be used to administer triamcinolone acetonide (a corticosteroid) in the treatment of macular telangiectasia type 1.
Also, it is used in the ocular anesthesia.[https://eyewiki.aao.org/Sub-Tenon_anaesthesia Sub-Tenon anaesthesia], Eye Wiki.
References
{{Reflist}}