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Approximately 60 participants at Eye Hospital of Wenzhou Medical University during January,2017 to June 2021 will be enroll in our study. And dived them randomly into 2 groups:Progressive Cracking Technique (30 eyes) and Conventional Chop Technique (30 eyes) .
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Progressive Cracking Technique | Experimental | Patients with hard nucleus cataract were treated with Progressive Cracking Technique. |
|
| Conventional Chop Technique | Experimental | Patients with hard nucleus cataract were treated with Conventional Chop Technique. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Progressive Cracking Technique | Procedure | Performing the cataract surgery with our phaco chop-progressive cracking technique. |
|
| Measure | Description | Time Frame |
|---|---|---|
| corneal endothelial cell density | the number of corneal endothelial cells per unit area. | up to 1 months |
| Coefficient of variation of endothelial cells | represents the variation coefficient of cell area | up to 1 months |
| percentage of hexagonal cells of the cells marked | represents the percentage of hexagon cells,the ideal value is above 50% | up to 1 months |
| central corneal thickness | thickness in micrometer | up to 1 months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Dandan Wang | Contact | 18258227706 | wangdan4827716@yahoo.com.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Eye Hospital of Wenzhou Medical College | Recruiting | Wenzhou | Zhejiang | 325027 | China |
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| Conventional Chop Technique | Procedure | Performing the cataract surgery with Conventional Chop Technique. |
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|
| ID | Term |
|---|---|
| D051742 | Transcription Factor CHOP |
| ID | Term |
|---|---|
| D022762 | CCAAT-Enhancer-Binding Proteins |
| D050976 | Basic-Leucine Zipper Transcription Factors |
| D004268 | DNA-Binding Proteins |
| D011506 | Proteins |
| D000602 | Amino Acids, Peptides, and Proteins |
| D009687 | Nuclear Proteins |
| D014157 | Transcription Factors |
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