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find Author "夏小平" 3 results
  • Ⅲ型Usher综合征一例

    Release date:2016-09-02 05:43 Export PDF Favorites Scan
  • Methodological study of preparing iris pigment epithelial cells for autologous transplantation in rabbits

    Objective To explore a better method in obtaining iris pigment epithelium(IPE) specimen for autologous transplantation in rabbits. Methods IPE was obtained from 20 black rabbits with method A,i.e.surgical peripheral iridectomy at 12:00 position obtaining a triangle iris tissue with the hemline of 4-5 mm in left eyes,and method B,i.e.surgical peripheral iridectomy at 11:00 and 1:00 positions obtaining two triangle iris tissues with the hemlines of 2-2.5 mm in right eyes . The IP E cells were isolated precisely with enzyme microdissection-enzyme isolation method, cultured in vitro, observed with light and electronic microscope, and ident ified with immunocytochemical staining.ResultsThe success ra te of cells culture were 65% for method A and 95% for method B. After 3-4 generations of culturing,the amount of IPE cells was enough for transplantation, and most of the functions of primary clutured IPE cells were kept still. Viability of IPE cells was 85%-93%. Conclusion The success rate of cells culture for method B is higher than that for method A. The third generation of cultured cells is available for autologous transplantation.(Chin J Ocul Fundus Dis,2003,19:201-268)

    Release date:2016-09-02 06:00 Export PDF Favorites Scan
  • The analysis of clinical factors affecting the therapeutic efficacy of traumatic optic neuropathy

    Ojective To evaluate the therapeutic efficacy of surgical and nonsurgical treatment and the clinical factors affecting the efficacy in traumatic optic neuropathy. Methods To analyse retr ospectively the efficacy of recovery of visual acuity in 40 cases of traumatic optic neuropathy after treatment with transnasal endoscopic sphenoethmoidal optic canal decompression (28 cases) and drug therapy (12 cases). Results No significant difference existed between the therapeutic efficacy of surgery and that of drug therapy in patients with the visual acuity of LP~ 0.02. In surgery group,the therapeutic efficacy of the patients with visual acuity of LP~0.02 was better than that of the patients with no LP.The therapeu tic efficacy of patients with duration shorter than seven days before sutgery is better than that of patients with duration longer than seven days. Conclusions The patients with serious traumatic comperssive optic neuropathy should not be treated with decompressive surgery and should not delay to at most seven days after injury.With or without the visual acuity of light perception of the affected eye surgery is usually an important factor affecting the therapeutic efficacy. (Chin J Ocul Fundus Dis, 2001,17:204-206)

    Release date:2016-09-02 06:03 Export PDF Favorites Scan
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