Clinical ophthalmology (Auckland, N.Z.) · 2012
Quantitative analysis of macular thickness following uneventful and complicated cataract surgery.
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Akçay Betül İlkay Sezgin, Bozkurt Tahir Kansu, Güney Esra, Unlü Cihan, Erdogan Gürkan, Akcali Gülünay, Bayramlar Huseyin
Аннотация
PURPOSE: To compare change of macular thickness after uneventful cataract surgery and after cataract surgery complicated with vitreous loss, using optic coherence tomography (OCT).
METHODS: Twenty eyes of 20 patients who underwent cataract surgery complicated with posterior capsular tear participated in this retrospective study (Group 2). The fellow eyes of those patients who underwent uneventful cataract surgery served as the control group (Group 1). Best spectacle-corrected visual acuity (BCVA), refraction, keratometry, axial length measurement, intraocular lens power calculation, intraocular pressure, and biomicroscopic and posterior segment examinations were done preoperatively. BCVA was evaluated at the postoperative 1st day, 1st week, 1st month, and 3rd month. Macular thickness and volumetric measurements with OCT with MM5 protocol were conducted at the postoperative 3rd month.
RESULTS: Logarithm of the minimum angle of resolution BCVA of Group 1 was significantly better than Group 2 at all intervals (P < 0.05). Foveal, parafoveal (superior and temporal), and perifoveal (superior and temporal) macular thickness measurements were significantly higher in Group 2 at month 3 (P < 0.05). Foveal volume was also significantly higher in Group 2 when compared with Group 1 (P < 0.05). In Group 2, two eyes (10%) were diagnosed with clinically significant cystoid macular edema at the 1-month visit.
CONCLUSION: Macular thickness was found to be significantly high in eyes undergoing complicated cataract surgery (with posterior capsular tear) when compared with uneventful cataract surgeries of fellow eyes.
METHODS: Twenty eyes of 20 patients who underwent cataract surgery complicated with posterior capsular tear participated in this retrospective study (Group 2). The fellow eyes of those patients who underwent uneventful cataract surgery served as the control group (Group 1). Best spectacle-corrected visual acuity (BCVA), refraction, keratometry, axial length measurement, intraocular lens power calculation, intraocular pressure, and biomicroscopic and posterior segment examinations were done preoperatively. BCVA was evaluated at the postoperative 1st day, 1st week, 1st month, and 3rd month. Macular thickness and volumetric measurements with OCT with MM5 protocol were conducted at the postoperative 3rd month.
RESULTS: Logarithm of the minimum angle of resolution BCVA of Group 1 was significantly better than Group 2 at all intervals (P < 0.05). Foveal, parafoveal (superior and temporal), and perifoveal (superior and temporal) macular thickness measurements were significantly higher in Group 2 at month 3 (P < 0.05). Foveal volume was also significantly higher in Group 2 when compared with Group 1 (P < 0.05). In Group 2, two eyes (10%) were diagnosed with clinically significant cystoid macular edema at the 1-month visit.
CONCLUSION: Macular thickness was found to be significantly high in eyes undergoing complicated cataract surgery (with posterior capsular tear) when compared with uneventful cataract surgeries of fellow eyes.