Anterior Capsule Polishing Effect on Effective Lens Position
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|ClinicalTrials.gov Identifier: NCT01598428|
Recruitment Status : Completed
First Posted : May 15, 2012
Results First Posted : January 26, 2015
Last Update Posted : January 26, 2015
- The purpose of this study is to evaluate effects of anterior capsule polishing on effective lens position (ELP) and actual axial movement of the intraocular lens (IOL) by measuring anterior chamber depth (ACD)
- patients with bilateral age-related cataract undergo bilateral uneventful cataract surgeries with in-the- bag implantation of a single-piece hydrophobic acrylic foldable IOL (SN60WF). The anterior capsule was extensively polished using Whitman Shepherd Double-Ended Capsule Polisher in one eye randomly, and the other not. The ACD was measured 1day, 1 week, 1month, 3 months and 6 months with anterior segment Optical Coherence Tomograph (AS-OCT) postoperatively. The actual axial movement of IOL was defined as the root mean square (RMS) of the change in ELP at each visit.
|Condition or disease||Intervention/treatment||Phase|
|Cataract||Procedure: anterior capsule polishing||Not Applicable|
|Study Type :||Interventional (Clinical Trial)|
|Actual Enrollment :||20 participants|
|Intervention Model:||Single Group Assignment|
|Masking:||Double (Participant, Investigator)|
|Primary Purpose:||Supportive Care|
|Official Title:||Effect of Anterior Capsule Polishing on Effective Lens Position After Cataract Surgery|
|Study Start Date :||January 2013|
|Actual Primary Completion Date :||January 2014|
|Actual Study Completion Date :||January 2014|
Procedure: anterior capsule polishing
polish the anterior capsule and the equator of capsule extensively with a Whitman Shepherd Double-Ended Capsule Polisher
- Effective Lens Position [ Time Frame: 1 day，1 week, 1 month，3 months and 6 months postoperatively ]Effective lens position was measured with anterior chamber depth 1 day，1 week, 1 month as well as 3 months and 6 months postoperatively using anterior segment Optical Coherence Tomograph. The anterior chamber depth defined as the distance between the posterior surface of the corneal and anterior surface of intraocular lens in the pupil center along the optical axis. The actual movement of intraocular lenses was defined as the root mean square of changes in the effective lens position at each visit.
- Uncorrected Visual Acuity(UCVA) [ Time Frame: 1 day，1 week, 1 month as well as 3 months and 6 months postoperatively ]The UCVA was recorded in logMAR units at each vist
- Refractive Error [ Time Frame: 1 day，1 week, 1 month as well as 3 months and 6 months postoperatively ]auto refraction was performed at each visit. Spherical equivalent refraction (SER) (sphere +cylinder/2) was used in subsequent calculations.
To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01598428
|Department of Ophtalmology,Qianfoshan Hospital,Shandong University|
|Jinan, Shandong, China, 250013|