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Intraocular tamponade used in vitrectomy operations may affects retinal function in various mechanisms.
Various intraocular tamponade are being used in vitrectomy operations as gases, fluids and silicon oil. The effects of these intraocular tamponade may affects the final visual outcome of the surgery.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Silicon oil group | Active Comparator | Patients diagnosed with retinal detachment and undergone vitrectomy operation with silicon oil tamponade. |
|
| Air tamponade | Active Comparator | Patients diagnosed with retinal detachment and undergone vitrectomy operation with air tamponade. |
|
| Non-expansile gas | Active Comparator | Patients diagnosed with retinal detachment and undergone vitrectomy operation with non-expansile gas tamponade (sulfur hexafluoride). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Electroretinogram | Diagnostic Test | Retinal function assessment using electroretinogram |
|
| Measure | Description | Time Frame |
|---|---|---|
| Visual acuity | Changes in visual acuity measured in LogMAR units. | Baseline and monthly after surgery till 6 months of follow up. |
| Retinal function amplitude | Changes in electroretinogram amplitude parameters in microvolt/second measured by roland consult retinal function device. | Baseline and monthly after surgery till 6 months of follow up. |
| Retinal function implicit time. | Changes in electroretinogram implicit time in millisecond measured by roland consult retinal function device. | Baseline and monthly after surgery till 6 months of follow up. |
| Measure | Description | Time Frame |
|---|---|---|
| Intraocular pressure | Changes in intraocular pressure measured by goldman applanation tonometry in millimeter mercury. | Baseline and monthly after surgery till 6 months of follow up. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ahmed A Tabl, MD | Contact | 01222328766 | ahmad4lg@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Ahmed A Tabl, MD | Benha University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ahmed Abdelshafy Tabl | Recruiting | Banhā | Benha | 13511 | Egypt |
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| ID | Term |
|---|---|
| D012163 | Retinal Detachment |
| D009901 | Optic Nerve Diseases |
| D005901 | Glaucoma |
| ID | Term |
|---|---|
| D012164 | Retinal Diseases |
| D005128 | Eye Diseases |
| D003389 | Cranial Nerve Diseases |
| D009422 | Nervous System Diseases |
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| ID | Term |
|---|---|
| D004596 | Electroretinography |
| ID | Term |
|---|---|
| D003941 | Diagnostic Techniques, Ophthalmological |
| D019937 | Diagnostic Techniques and Procedures |
| D003933 | Diagnosis |
| D004568 | Electrodiagnosis |
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| Vitrectomy operation | Procedure | Vitrectomy operation to treat retinal detachment |
|
| D009798 |
| Ocular Hypertension |