[Histological observation of anterior capsular edges produced by continuous curvilinear and diathermy capsulorhexis].
Radiofrequency endodiathermy capsulorhexis (DC) is a new method for anterior capsulorhexis in cataract surgery. DC may confer some advantages over continuous curvilinear capsulorhexis(CCC) in certain clinical situations. The elasticity of capsulorhexis produced by DC and the proper diathermy time are still unclear. Histological examination of rabbit lenses, on which a variety of coagulation times (0.5 to 5.0 sec) were tested revealed that 0.5 sec was long enough to coagulate the anterior capsule and that the longer coagulation extend the tissue damage into the deeper cortex. Small capsulorhexis (3.5 mm in diameter) produced experimentally with DC showed less elasticity than that produced with CCC when the edge of the capsulorhexis was pulled. Thus the heat coagulation of the capsular edge produced by DC results in less elasticity than that produced by CCC.
Sugimoto
Y
Y
Department of Ophthalmology, Fukui Medical School, Japan.
Kubo
E
E
Tsuzuki
S
S
Takahashi
Y
Y
Akagi
Y
Y
D000818:Animals; D002387:Cataract Extraction / Q000379:methods*; D003972:Diathermy; D007903:Lens Capsule, Crystalline / Q000033:anatomy & histology* / Q000601:surgery*; D008297:Male; D011817:Rabbits