Status:
UNKNOWN
Comparing Conventional Grid Laser Photocoagulation and Subthreshold Micropulse Laser in Diabetic Macular Edema Using OCT Angiography
Lead Sponsor:
Chinese University of Hong Kong
Conditions:
Diabetic Macular Edema
Eligibility:
All Genders
18+ years
Brief Summary
The prevalence of diabetes mellitus has increased significantly in Hong Kong for the past decade \[1\]. Diabetic macular edema is one of the most common causes of vision loss in patients suffering fro...
Detailed Description
Laser photocoagulation was previously a mainstay treatment for DME before the introduction of anti-vascular endothelial growth factor (anti-VEGF) agents injection. Vascular endothelial growth factor (...
Eligibility Criteria
Inclusion
- Patients with best-corrected visual acuity better than 20/200 (checked with refraction test)
- Patients with clinically significant diabetic macular edema (DME) who have not received any treatment within 6 months
- Patients with central retinal thickness equal / above to around 400 um
- Patients who are able to have regular visits after laser treatment for at least 6 months
Exclusion
- Children under the age of 18
- Patients with proliferative diabetic retinopathy
- Patients with co-existing retinal or macular disease, including epiretinal membrane and vitreomacular traction
- Patients with previous history of laser photocoagulation, anti-VEGF injection, intravitreal steroid injection, vitreoretinal or cataract surgery within a period of 6 months
- Patients with history of uveitis
- Patients who are unfit or for capturing of OCT-A images
- Patients with significant media opacity that may interfere with fundal examination and the acquisition of high quality OCT-A images
- Patients who are unable to give informed consent to enter the study
- uncooperative
Key Trial Info
Start Date :
June 1 2022
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
December 1 2022
Estimated Enrollment :
50 Patients enrolled
Trial Details
Trial ID
NCT05416099
Start Date
June 1 2022
End Date
December 1 2022
Last Update
June 13 2022
Active Locations (1)
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1
chinese university of Hong kong
Hong Kong, China