Abstract
ABSTRACTA 79-year-old man underwent phacoemulsification (phaco) with TORIC intraocular lens (IOL) insertion combined with Kahook dual blade (KDB) goniotomy of the right eye several months after a stand-alone phaco in the fellow eye. He had significant against-the-rule astigmatism in both eyes (2.41D @ 10° right, 2.40D @ 160° left) preoperatively. Postoperatively, nearly all corneal astigmatism disappeared in the right eye (0.60D @ 37°), while it remained the same in the left eye (2.00D @ 167°). Ophthalmologists should be aware that KDB may have an unreported effect of altering corneal astigmatism, which should be considered when inserting TORIC IOL.How to cite this articleHirabayashi MT, McDaniel LM, et al. Reversal of Toric Intraocular Lens-corrected Corneal Astigmatism after Kahook Dual Blade Goniotomy. J Curr Glaucoma Pract 2019;13(1):42–44.
Highlights
Kahook dual blade (KDB) goniotomy (New World Medical, Rancho Cucamonga, CA, 2015) has become one of the most popular angle surgeries to date
A 79-year-old male presented for phacoemulsification combined with KDB goniotomy of the entire nasal angle of the right eye (OD) and phaco alone of the left eye (OS)
No studies have evaluated the effect of KDB goniotomy on corneal astigmatism, but a recent report showed phaco-KDB was no more likely to result in refractive surprise than phaco alone.[2]
Summary
Kahook dual blade (KDB) goniotomy (New World Medical, Rancho Cucamonga, CA, 2015) has become one of the most popular angle surgeries to date. Its dual blade design allows complete removal of the diseased trabecular meshwork (TM) via an ab-interno approach to decrease aqueous outflow resistance.[1]The effect of KDB on post-op corneal astigmatism is yet to be studied
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