Ex-Press glaucoma implant is made up of?
Correct Answer: Stainless steel
Description: Ans. d. Stainless steelIt is made of made of surgical-grade stainless steel, nonvalved filtration device designed to shunt aqueous humor from the anterior chamber to a subconjunctival filtration bleb.The EX-PRESS Glaucoma Filtration Device is intended to reduce IOP in glaucoma patients when medication and conventional surgical treatments have failed.The device channels aqueous humor through a secure lumen (of either 50 mm or 200 mm) to a half-thickness scleral flap, creating a subconjunctival filtration bleb.It is a minimally invasive glaucoma surgery (MIGS) to increase aqueous drainage.It has lower complications of ocular hypotony.The commonly used devices are as follows: Shunts using episcleral explants:* Ahmed glaucoma valve: Silicone* Molteno implant: Polypropelene plate and silicone plate* Baerveldt implant: Silicone Mini-shunts:* Ex-Press(tm) Mini-Shunt: Stainless steel * iStent(r): Titanium
Category:
Ophthalmology
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