1 The complication included the lens tilt and decentration.

2 The theory characterization of imaging optical lens decentration and the principle of autocollimiting rotary reflection method are analyzed.

3 There were no significant intraocular lenses tilt and decentration in transscleral fixation group observed by UBM.

4 There were 9 eyes which developed IOL decentration in Group A and no cases in Group B.

5 The iterative formula of measurement of optical lens decentration is deduced on the basis of self-collimation catoptric methods.

6 Conclusions: When implanted in the bag, post-operative IOL decentration was more significant in older patients.

7 Piaget put forward the concepts of "egocentric" and "decentration" in his early researches and they have possessed an important status in the study on the development of social cognition.

8 The optical measurement of decentration is of great significance to detection, fixing and regulating of an optical system.

9 The rear cone decentration and compact leg tilt can both result in a phase shear and twist on the optical field, and lead to phase jump and tilt along the misalignment direction.

10 Their postoperative vision, astigmatism, decentration of IOL, posterior capsular opacity and main fundus complication were examined.

11 Of the moderate group: the above indexes, except for the apex decentration distance significantly decreased at 12 months and more evidently at 18 months.

12 A matrix method is introduced to calculate the prismatic effect due to decentration in spherocylindrical lenses.

13 CCD receives the optical imaging of Cross Divisional Board. The decentration measurement software processes the digital image provided by Image Acquisition System.

14 Objective To observe the situation of implanted lenses in vivid eyes and postoperative visual acuity affected by the lens tilt and decentration.