Effect of trypan blue on the elasticity of the human anterior lens capsule.

Purpose To evaluate the effect of trypan blue (VisionBlue) staining on the elastic properties of the human anterior lens capsule. Setting Center for Vision Science, Ruhr University Eye Hospital, Bochum, Germany. Methods Nineteen anterior capsules were obtained from 19 human eyes at the time of cataract operation. Two same-size strips were prepared from each capsule; 1 was exposed to trypan blue staining for 10 seconds, and the other was a control. The elasticity measurements were performed on both specimens using a modified rheometer. Results The mean age of the patients was 75.3 years ± 13.3 (SD) (range 35 to 89 years). Sixty-three measurements of 19 suitable specimen pairs were performed.…