Iris-trabecular Contact Index Change after Cataract Surgery in Acute Angle Closure Glaucoma. |
Jae Hong Park, Ho Soong Kim, Tae Heon Lee, Kyung Heon Lee |
Busan Sungmo Eye Hospital, Busan, Korea. sungmobusan@hanmail.net |
급성폐쇄각녹내장에서 백내장 술 후 홍채섬유주접촉지표 변화 |
박재홍⋅김호숭⋅이태헌⋅이경헌 |
부산성모안과병원 |
Correspondence:
Kyung Heon Lee, Email: sungmobusan@hanmail.net |
Received: 3 March 2016 • Revised: 22 June 2016 • Accepted: 8 August 2016 |
Abstract |
PURPOSE To evaluate the change of iris-trabecular contact index (ITC index) after cataract surgery in acute angle closure glaucoma. METHODS: Twelve patients (17 eyes) who had a history of acute angle closure glaucoma underwent swept source optical coherence tomography before and after cataract surgery. Correlations between lens vault (LV), ITC index and intraocular pressure (IOP), anterior chamber depth (ACD), anterior chamber volume (ACV), and angle parameters were analyzed before and after cataract surgery. RESULTS: IOP (p = 0.007), ACD (p < 0.001), ACV (p < 0.001), angle parameters (p = 0.001), and ITC index (p = 0.012) were improved after cataract surgery. ITC index decreased from 88.42 ± 23.59% to 48.91 ± 35.13% after cataract surgery (p = 0.012). There was no correlation between LV and ACD (p = 0.075), ACV (p = 0.864), angle parameter (p = 0.112-0.707), or ITC index (p = 0.288) before cataract surgery. The correlations between ITC index and IOP (p = 0.021), ACD (p = 0.002), ACV (p < 0.001), and angle parameter (p = 0.001-0.030) were statistically significant before surgery but not statistically significant (p = 0.223/0.206/0.761/ 0.096-0.819) after surgery. CONCLUSIONS: ITC index significantly improved after cataract surgery, but part of angle closure was not resolved in some cases of acute angle closure glaucoma. |
Key Words:
Acute angle closure glaucoma;Cataract surgery;Iris-trabecular contact index;Lens vault |
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