We determined the incidence and causes of clinical and angiographic cystoid macular edema (CME) after uncomplicated phacoemulsification and intraocular lens implantation in otherwise normal eyes. This study comprised 252 eyes of 252 patients who had uncomplicated phacoemulsification with continuous curvilinear capsulorhexis and in-the-bag acrylic intraocular lens implantation. The presence of clinical and angiographic CME was evaluated 45 days after surgery, using fundus fluorescein angiography. Age, sex, cataract type, iris color, and real phacoemulsification time of the patients were also recorded. The mean age of the patients was 69.86 (range 60–82) years). Clinical CME was not detected in any eye at any postoperative visit. There were 23 cases with angiographic CME (9.1%). There were no significant differences between the groups who were later found to be angiographically CME-positive or CME-negative in any variable recorded (p >0.05). The incidences of clinical and angiographic CME after uncomplicated phacoemulsification were 0 and 9.1%, respectively. These results indicate that the occurrence of clinical CME has greatly reduced after uncomplicated phacoemulsification operations, but the incidence of angiographic CME is still nearly equal to the incidence of the extracapsular technique.
Background:The aim was to investigate the effects of neodymium-doped yttrium aluminum garnet laser capsulotomy on the main numerical parameters of the anterior segment with Pentacam in patients with opacification of the posterior capsule. Methods: Thirty eyes of 30 patients (19 male, mean age 66.9 ± 8.1 years) with visually significant posterior capsular opacification were enrolled. Patients had undergone phacoemulsification surgery with three-piece intraocular lens (Sensar, AMO, USA) implantation. Full ocular examination was performed before and after capsulotomy. Intraocular pressure (Goldmann applanation tonometry) and refractive changes were measured. Pentacam measurements of the patients before and one week and one month after capsulotomy were obtained. Results: Mean visual acuity (logMAR) improved pre-operatively (0.50 ± 0.36) to one week (0.04 ± 0.07) and one month after capsulotomy (0.03 ± 0.06; p < 0.001). Mean spherical and cylindrical powers were 0.50 ± 0.98 DS and -1.61 ± 1.00 DC before the procedure and 0.10 ± 0.80 DS and -0.92 ± 0.66 DC at one month, respectively. There was a significant decrease in cylindrical errors (p = 0.001) and a myopic shift in spherical errors (p = 0.01) after the procedure. Mean anterior chamber depth (ACD) was 4.26 ± 0.63 mm before the procedure, 3.73 ± 0.56 mm at one week and 3.75 ± 0.56 mm at one month. The decrements in anterior chamber depth were significant (p < 0.001). The mean of the anterior chamber angle measurements was 43.41 ± 6.87 degrees before the procedure, increased to 45.56 ± 7.01 degrees at one week and decreased to 44.56 ± 6.13 degrees at one month. The increments in anterior chamber angle at the first week of the procedure were significant (p = 0.01). Mean central corneal thickness was 549.60 ± 41.70 μm before the procedure, increased to 551.40 ± 39.72 μm at one week and decreased to 542.30 ± 35.48 μm at one month. The decrements in central corneal thickness were significant (p = 0.048). Conclusion: Mean anterior chamber depth decreased by approximately 0.5 mm after capsulotomy. This decrement in anterior chamber depth might be a clue for associated complications, such as unwelcome refractive errors, changes at intraocular lens position, post-procedure intraocular pressure increases and acute glaucoma.
Grade C(1) PVR and multiple breaks were found to be significant risk factors for anatomic failure in rhegmatogenous RD treated by conventional buckling surgery.
Both surgical procedures can achieve favorable and comparable anatomic outcomes in the majority of patients in the treatment of RD with multiple breaks. Intra-and postoperative complications are different in the two procedures.
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