Clinical Observation of the Transscleral Suture Fixation of Posterior Chamber Intraocular Lens in Eyes With Inadequate Capsule Support

Study Overview
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Brief Summary
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To present the follow-up outcomes of transscleral suture fixation of posterior chamber intraocular lens (PCIOL) in eyes with inadequate capsule support.

Official Title
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Clinical Observation of Transscleral Suture Fixation of Posterior Chamber Intraocular Lens in Eyes With Inadequate Capsule Support

Conditions
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Absence of Capsule Support, Aphakia

Intervention / Treatment
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* Procedure: posterior chamber intraocular lens implantation


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients who underwent transscleral suture fixation of PCIOL Time between the primary surgeries was at least 3 months Exclusion Criteria: Active intraocular inflammation The intraocular pressure (IOP) was higher than 25 mmHg The endothelial cell count (ECC) was more than 1,200 cells/mm2

Ages Eligible for Study
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Minimum Age: 10 Years
Maximum Age: 80 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Arms and Interventions

| Intervention/Treatment |
| --- |
|Procedure: posterior chamber intraocular lens implantation|patients who underwent transscleral sutured posterior chamber intraocular lens implantation|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Visual function | Best corrected visual acuity (BCVA) measured using a decimal chart | 1day postoperation | 
| Visual function | Best corrected visual acuity (BCVA) measured using a decimal chart | 1 week postoperation | 
| Visual function | Best corrected visual acuity (BCVA) measured using a decimal chart | 1 month postoperation | 
| Visual function | Best corrected visual acuity (BCVA) measured using a decimal chart | 3 month postoperation | 
| Visual function | uncorrected distance visual acuity (UDVA) measured using a decimal chart | 1 day postoperation | 
| Visual function | uncorrected distance visual acuity (UDVA) measured using a decimal chart | 1 week postoperation | 
| Visual function | uncorrected distance visual acuity (UDVA) measured using a decimal chart | 1 month postoperation | 
| Visual function | uncorrected distance visual acuity (UDVA) measured using a decimal chart | 3 month postoperation | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| intraocular pressure | intraocular pressure | 1 day, 1 week, 1 month, and 3 month postoperation | 
| PCIOL tilt degree | PCIOL tilt degree measured using Ultrasound biomicroscope | 3 month postoperation | 
| PCIOL decentration degree | PCIOL tilt degree measured using Ultrasound biomicroscope | 3 month postoperation | 
| endothelial cell count | endothelial cell count | 1 week, 1 month, and 3 month postoperation | 
| anterior chamber depth | anterior chamber depth measured using Ultrasound biomicroscope | 3 month postoperation |