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Main
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Note: This record shows only 22 elements of the WHO Trial Registration Data Set. To view changes that have been made to the source record, or for additional information about this trial, click on the URL below to go to the source record in the primary register. |
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Register:
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ChiCTR |
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Last refreshed on:
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23 April 2019 |
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Main ID: |
ChiCTR1900022519 |
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Date of registration:
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2019-04-15 |
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Prospective Registration:
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No |
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Primary sponsor: |
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Public title:
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A clinical study for trifocal intraocular lens implantation for presbyopia after cataract surgery
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Scientific title:
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Visual function study for trifocal intraocular lens implantation after cataract surgery |
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Date of first enrolment:
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2017-07-01 |
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Target sample size:
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1:30;2:30;3:30; |
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Recruitment status: |
Recruiting |
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URL:
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http://www.chictr.org.cn/showproj.aspx?proj=34776 |
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Study type:
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Observational study |
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Study design:
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Non randomized control
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Phase:
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N/A
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Countries of recruitment
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China
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Contacts
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Name:
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Na Hui
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Address:
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21 Jiefang Road, Xincheng District, Xi'an, Shaanxi
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Telephone:
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+86 13572100983 |
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Email:
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huina0801@126.com |
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Affiliation:
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Xi'an Fourth Hospital |
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Name:
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Meifang Chu
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Address:
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21 Jiefang Road, Xincheng District, Xi'an, Shaanxi
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Telephone:
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+86 18602948320 |
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Email:
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2567437874@qq.com |
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Affiliation:
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Key inclusion & exclusion criteria
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Inclusion criteria: 1) cataract patients, including age-related cataract and complicated cataract without fundus disease; 2) corneal astigmatism<1.5D; 3) ocular axis<29mm; 4) clear cognitive ability; 5) corneal higher-order aberration <0.3 µm.
Exclusion criteria: 1) corneal diseases, such as corneal degeneration, keratitis, corneal leukoma; 2) optic nerve diseases, such as glaucoma, ischemic optic neuropathy; 3) retinal diseases, such as retinal vascular disease, retinal detachment, macular degeneration; 4) lens subluxation; 5) previous history of trauma of eyes, excimer laser surgery or other intraocular surgery; 6) severe systemic diseases that cannot receive surgery.
Age minimum:
Age maximum:
Gender:
Both
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Health Condition(s) or Problem(s) studied
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cataract
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Intervention(s)
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1:trifocal IOL implation;2:regional refractive IOL implantation;3:monofocal IOL implantation;
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Primary Outcome(s)
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visual acuity;modulation transfer function cutoff frequency;object scatter index;Strehl ratio;
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Secondary Outcome(s)
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patient satisfaction;spectacle independence;
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Source(s) of Monetary Support
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Key Research & Development Program Projects in Shaanxi Province
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Ethics review
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Status: Approved
Approval date: 01/01/2017
Contact:
Shaowu Li
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Results
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Results available:
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Date Posted:
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Date Completed:
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URL:
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