Related Experiment Video
Updated: May 22, 2026
05:00
Intense Pulsed Light for the Treatment of Dry Eye Owing to Meibomian Gland Dysfunction
Published on: April 1, 2019
Laser therapy in diabetic macular edema
Oman Medical Journal
|May 9, 2012
Summary
Laser treatment for diabetic macular edema stabilizes vision in over 50% of patients and improves it in over 25%. This study found no correlation between visual outcomes and blood sugar control or hypertension.
Area of Science:
- Ophthalmology
- Diabetology
- Medical research
Background:
- Diabetic macular edema is a leading cause of vision loss in diabetic patients.
- Poor glycemic control and longer diabetes duration are linked to increased risk.
- Laser treatment is a recognized intervention for reducing visual impairment.
Purpose of the Study:
- To assess the efficacy of laser treatment on visual outcomes in patients with clinically significant macular edema.
- To investigate the influence of factors like blood sugar control, hypertension, and nephropathy on treatment results.
Main Methods:
- Retrospective analysis of 165 eyes treated with laser photocoagulation according to ETDRS protocol.
- Evaluation included visual acuity, slit lamp examination, IOP measurement, and macular examination.
- Patients were categorized based on diabetes control, hypertension, and other systemic conditions.
Main Results:
- Over 50% of eyes (55.75%) achieved stable visual acuity 3-4 months post-laser.
- Vision improvement was observed in 26.7% of eyes.
- No significant correlation was identified between laser treatment outcomes and glycemic control or the presence of hypertension.
Conclusions:
- Laser photocoagulation is effective in stabilizing and improving visual acuity in a majority of patients with diabetic macular edema.
- Associated systemic conditions like hypertension and glycemic control did not demonstrate a significant impact on the visual outcomes of laser treatment.
Related Concept Videos
01:27Diabetic Retinopathy
DefinitionDiabetic retinopathy is a microvascular complication of diabetes affecting the retinal blood vessels.Risk FactorsDiabetic retinopathy is present in almost all individuals with type 1 diabetes and more than 60% of those with type 2 diabetes after two decades of disease.The risk increases with poor glycemic control, hypertension, dyslipidemia, smoking, pregnancy, and puberty.Although cataracts and glaucoma are also more frequent in people with diabetes, retinopathy remains the leading...
01:27Open Angle Glaucoma: Treatment
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
01:28Angle Closure Glaucoma: Treatment
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...