Angle evaluation after cataract operation using Swept‐Source OCT in elder Asian
Purpose To investigate the change of anterior angle morphology after phacoemulsification with intraocular lens implantation in eyes with cataract using Swept‐Source optical tomography (SS‐OCT) in elder Asian people Methods One eye of 31 patients with cataract was performed phacoemulsification with i...
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Veröffentlicht in: | Acta ophthalmologica (Oxford, England) England), 2015-10, Vol.93 (S255), p.n/a |
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Zusammenfassung: | Purpose
To investigate the change of anterior angle morphology after phacoemulsification with intraocular lens implantation in eyes with cataract using Swept‐Source optical tomography (SS‐OCT) in elder Asian people
Methods
One eye of 31 patients with cataract was performed phacoemulsification with intraocular lens implantation. Before and after the operation, the postop 1 day and 1 month, the anterior chamber angles were evaluated by SS‐OCT(CASIA®, Tomey) under dark conditions using three‐dimensional angle analysis scan protocol. In order not to indent eyes, in naturally eye opening status, we obtained SS‐OCT scans and analyzed with nasal and temporal quadrant of eyes. AOD, TISA, TIA were calculated automatically by SS‐OCT after an observer marked the scleral spurs (AOD: Angle Open Distance, TISA: Trabecular‐Iris Space Area, TIA: Trabecular‐Iris Angle).
Results
Enrolled 31 patients were 18 men and 13 women. The mean age was 68.71 ± 9.82 years. Preoperative means of AOD, TISA, TIA were 0.51 ± 0.27 (mm), 0.21 ± 0.11 (mm), 28.83 ± 11.51 (°). Postop 1day and 1month, the means of AOD, TISA, TIA were 0.63 ± 0.19 (mm), 0.24 ± 0.08 (mm), 32.05 ± 7.54 (°), and 0.67 ± 0.24 (mm), 0.26 ± 0.1 (mm), 36.78 ± 8.4 (°). Longitudinal data analysis was conducted based on multilevel model framework. The changes of AOD, TISA, TIA were significantly increased linearly or quadradically after adjusting age and gender (p = 0.004, p = 0.002, p = 0.000).
Conclusions
The eyes that were performed cataract operation have greater improved anterior chamber angle parameters. It means that cataract surgery can improve aqueous humor dynamic in angle closure suspect or glaucoma patients. |
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ISSN: | 1755-375X 1755-3768 |
DOI: | 10.1111/j.1755-3768.2015.0298 |