Laser-assisted subepithelial keratomileusis with mitomycin C for myopic astigmatism ≥2.00 diopters using a Zeiss MEL 80 Excimer.

To examine the refractive and visual outcome of laser-assisted subepithelial keratomileusis (LASEK) with mitomycin C(MMC) in eyes with myopic astigmatism ≥2.00 diopters (D). This study comprised 82 eyes of 82 consecutive patients (37 male, 45 female; mean age at surgery 34.7 ± 9.0 years) with preoperative topographic astigmatism ≥2.00 D and mean preoperative spherical equivalent (SE) -4.50 ± 1.13 D. To assess whether the refractive results differed with the amount of corrected sphere, the data were separated by preoperative SE thereby defining two groups with SE < -5.00 D (-2.00 to -4.75 D) and ≥-5.00 D (-5.00 to -7.75 D). Mean manifest refraction spherical equivalent (MRSE) of -0.39 ± 0.52 D was obtained at the 6-months (5.4 ± 1.6 months) follow-up. The results were within ±1.00 D of the attempted correction in 89 % of patients. The mean postoperative corrected distant visual acuity was -0.02 ± 0.065 logMAR (range -0.10 to 0.15 logMAR). Sixty-seven (81.7 %) of all eyes did not change lines in safety. There was no statistically significant difference (P = 0.262) in safety between the SE groups. Mean efficacy was 0.89 ± 0.27. There was a statistically significant difference in efficacy (P = 0.024) between the preoperative SE groups. Larger ablation zones were associated with better visual outcome, confirmed by safety, efficacy and predictability. The data reported here demonstrated that LASEK using a Zeiss MEL 80 excimer laser with an additional application of MMC is a safe and efficient technique with predictable results for the correction of eyes with myopic astigmatism ≥2.00 D.

Transpupillary thermotherapy for choroidal metastases.

INTRODUCTION: We report on a case with bilateral choroidal metastases derived from a renal cell carcinoma 13 years after nephrectomy. The treatment modality is discussed. METHODS: A male patient (58 years of age) presented with asymptomatic bilateral choroidal metastases deriving from renal cell carcinoma. The right kidney had been removed because of renal cell carcinoma 13 years before the appearance of the choroidal metastases. He had full visual acuity (20/20) and normal intraocular pressure in both eyes. Fundus examination showed a small tumor in the peripheral choroidea of his right eye and an intermediate-sized solid tumor in the periphery of his left eye. RESULTS: The tumor of the right eye was treated by TTT and the tumor of the left eye by (106)Ru plaque radiotherapy. The tumors showed total regression into flat chorioretinal atrophies in both eyes and no tumor could be found 13 moths after treatment maintaining full visual acuity (20/20). CONCLUSION: Asymptomatic ocular metastases can develop even many years after removal of the primary tumor. TTT and (106)Ru brachytherapy are useful treatment modalities in cases of small and intermediate-sized choroidal metastases.