Phacoemulsification in Patients With Corneal Opacities

Study Overview
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Brief Summary
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In this retrospective case series, the feasibility of performing phacoemulsification using slit illumination in eyes with corneal opacity was assessed.

Detailed Description
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Corneal opacity is often encountered in patients seeking senile cataract surgery in developing countries. Corneal opacity impairs the intraoperative visualization during cataract surgery which increases the risk of copmlications. Several techniques were described to enhance the intraoperative visualization such as the use of anterior endoscopy, chandeiler retroillumination, and anterior chamber endoillumination. All these techniques require costly instrumentation. the aim of this study was to assess the feasibility of performing phacoemulsification using slit illumination of the surgical microscope without the need of additional instruments, and report the visual outcome.

Official Title
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Phacoemulsification in Patients With Corneal Opacities Using Slit Illumination of the Surgical Microscope

Conditions
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Senile Cataract

Intervention / Treatment
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* Procedure: Phacoemulsification in eyes with corneal opacities


Participation Criteria
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Eligibility Criteria
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Inclusion criteria: The presence of visually significant senile cataract. A recent history of progressive diminution of vision within few months. Stable density and size of a preexisting trachomatous corneal opacity that does not impair the pupil or lens visualization after pupillary dilatation. Exclusion Criteria: History of trauma, infectious corneal ulcers, or intraocular surgery. Coexisting ocular diseases e.g. glaucoma, retinal detachment, and vitreous hemorrhage.

Ages Eligible for Study
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Minimum Age: 50 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: Phacoemulsification in eyes with corneal opacities|senile cataract extraction using lens emulsification under the slit illuimnation of the surgical microscope|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| The rate of intra-operative complications of phacoemulsification in eyes with corneal opacities using the slit ilumination of the surgical microscope. | the frequency of the intraoperative complications of phacoemulsification in eyes with corneal opacities | 3 months | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Visual outcome of phacoemulsification in eyes with corneal opacities | meaurement of the change of the distance corrected visual acuity bafoer after phacoemulsification using Snellen chart | 3 months | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Senile Cataract, Corneal opacity, Phacoemulsification