Kiloelectronvolt-era nucleosynthesis and its implications.
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Biomedical subjects
Publications and source records attributed to S Dimopoulos.
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Out of 196 aphakic and 4 phakic eyes with silicone oil in the anterior chamber (all vitrectomized, postoperative follow-up 6 months to 5 years) we found 83 eyes (42%) with keratopathy. They present clinically and histologically as calcific band keratopathy (55 eyes) or diffuse bullous corneal edema (28 eyes). Time of onset, course and frequency in correlation to preoperative diagnosis are analyzed. Pathogenesis, prevention and therapy of keratopathy are discussed.
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The authors report on late complications in 100 eyes in which silicone oil injection had been used to treat complicated retinal detachment; the follow-up-period was two years. Redetachment developed in 28 of 100 eyes (30%) during the first year, cataract in 43 of 54 phakic eyes, and glaucoma in 22 of 100 eyes (= 22%). Keratopathy developed in 29 of 46 aphakic eyes up to the 18th postoperative month. After treatment of these complications a visual acuity of 1/50 to 0.4 was observed in 50 percent of the eyes two years after the operation.
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Silicone oil injection was used in the treatment of 300 selected cases of complicated retinal detachment (after PVR, trauma, giant tears, macular holes, proliferative diabetic retinopathy) and in 7 prephthisical eyes. The anatomical and visual results are analyzed in a retrospective study. Total or partial reattachment was seen in 52% and 27% of the cases reexamined one year postoperatively. At least a navigating visual acuity was achieved in 54%. The results in the different indication groups are discussed. The silicone oil injection was performed after mobilization of the retina by means of pars plana vitrectomy and periretinal surgery.