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Sub-Tenon injection

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Ocular route of drug administration
Sagittal section of the human eye showing the Tenon's capsule, labelled Fascia bulbi

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.

Posterior sub-Tenons steroid injections (PSTSI) is used in the treatment of posterior ocular inflammation, such as chronic uveitis. 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.

References

  1. Calenda, Emile; Olle, Priscille; Muraine, Marc; Brasseur, Gérard (2000). "Peribulbar anesthesia and sub‐Tenon injection for vitreoretinal surgery: 300 cases". Acta Ophthalmologica Scandinavica. 78 (2): 196–199. doi:10.1034/j.1600-0420.2000.078002196.x. PMID 10794256.
  2. Lafranco Dafflon, M.; Tran, V. T.; Guex-Crosier, Y.; Herbort, C. P. (1999). "Posterior sub-Tenon's steroid injections for the treatment of posterior ocular inflammation: Indications, efficacy and side effects". Graefe's Archive for Clinical and Experimental Ophthalmology = Albrecht von Graefes Archiv für Klinische und Experimentelle Ophthalmologie. 237 (4): 289–295. doi:10.1007/s004170050235. PMID 10208261. S2CID 23298901.
  3. Sub-Tenon anaesthesia, Eye Wiki.
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