CTRI/2021/12/038930尚未招募4 期
A prospective, randomized clinical study of two phakictoric implantablelenses to outcome in in patients with moderate to high myopia and astimatism.
Biotech Healthcare Holdings GmbH0 个研究点目标入组 0 人开始时间: 待定最近更新:
试验速览
- 阶段
- 4 期
- 状态
- 尚未招募
- 发起方
研究概览
简要总结
暂无简介。
研究设计
- 研究类型
- Interventional
入排标准
入选标准
- •1. Patients 21 years old or older.
- •2. Calculated IOL Power is within the range of the investigational IOLs
- •3. Corneal Cylindrical error within the range defined in the clinical investigation plan
- •4. Subject has monocular UCVA 0.5 LogMAR or worse
- •5. Subject has had a stable refraction (±0.5D; ±1.0D for higher refractive errors), as expressed by manifest refraction spherical equivalent (MRSE) for a minimum 12 months prior to surgery, verified by consecutive refractions and/or medical records or prescription history.
- •6. Subject, who is a current contact lens wearer, needs to demonstrate a stable refraction (±0.5D) expressed as MRSE, on two consecutive examination dates and stability of the refraction is determined by the following criteria:
- •a. Contact lenses were not worn for at least 2 weeks or 3 days prior to the first refraction.
- •b. Two refractions were performed at least 7 days apart.
- •7. Subject, who is expected to have residual postoperative cylindrical refractive error of >=1D, has been given the opportunity to experience his/her best spectacle vision with the anticipated correction.
- •8. Expected dilated pupil size at least large enough to visualize the axis marking.
- •9. Patients willing to attend all follow-up appointments
- •10. Patients must sign and be given a copy of the written Informed Consent form
- •11. Female participants of child bearing potential and male participants whose partner is of child bearing potential must be willing to ensure that they or their partner use effective contraception during the study.
排除标准
- •1. Subject with acute and chronic disease or illness that would increase the operative risk or confound the outcomes of the evaluation.
- •2. Subject taking systematic medication that can confound the outcome of the study or increase the risk to the subject
- •3. Subject with ocular condition that may predispose the subject to future complications
- •4. Subject with previous intraocular or corneal surgery
- •5. Subject with less than the minimum endothelial cell density 2000 cells/mm² at the time of enrollment
- •6. Pregnant or planning to become pregnant, or is lactating during the course of the evaluation
- •7. Other condition associated with fluctuation of hormones
- •8. ACD measured from the endothelium lower than 2.8 mm
- •9. Concurrent participation in another drug or device evaluation.
- •10. Any cataract of any grade
- •11. Coefficient of variation of endothelial cell area >0.45
- •12. Percent Hexagonality of endothelial cell shape <= 45%
- •13. Monocular subject
- •14. Vulnerable subjects
研究者
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