Implanting glaucoma tubes through the pars plana in the setting of a corneal transplant is becoming more common, and there are unique problems associated with such a procedure. A 42-year-old man with multiple previous eye surgeries presented with a nonfunctioning pars plana glaucoma tube. There was no view to the tube tip, but it was presumed to be clogged with fibrin. Intravitreal tissue plasm...

For years, the standard of care for branch-retinal-vein-occlusion-associated macular edema was initial observation followed by grid-pattern laser photocoagulation for persistent edema. Newer pharmacologic options have revolutionized the management of branch-retinal-vein-occlusion-associated macular edema, and the visual outcomes of these eyes are better than ever. However, a variety of availabl...

Diabetic macular edema is considered the most important factor related to visual impairment in patients with diabetic retinopathy. Together with the use of grid and focal laser photocoagulation, today the intravitreal administration of pharmacotherapies represents the standard of care for the treatment of this complication: anti-vascular endothelium growth factor agents and steroids are the dru...

Intravitreal injections show an avalanche-like growth the world over. Purposes: 1) create a mathematical model of eyeball and fluid movement inside eye, assuming simplified structure vitreous body (without tanks); 2) estimate time span when drug substance remains in cavity until it is completely washed out, depending on injection site; 3) observe evaluate path cavity; 4) variation located cavit...

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This report describes a case of angiographically documented foveal avascular zone (FAZ) enlargement after a single intravitreal injection of bevacizumab for macular edema secondary to central retinal vein occlusion (CRVO). A 71-year-old female was treated with an intravitreal bevacizumab injection for macular edema following CRVO. Despite successfully decreased edema one month after injection, ...

Intravitreal triamcinolone inhibits choroidal neovascularization. To investigate if vascular endothelial growth factor (VEGF) is affected, we examined VEGF expression after intravitreal triamcinolone administration in rat retina. Using in situ hybridization, we have found dense clustered VEGF mRNA signals in the retinal pigment epithelium, moderate patchy signals in the inner nuclear layer, and...

CASE REPORT A 43 year-old female presented with decreased visual acuity in the right eye. «Snowball-like» retinal lesions were found in both eyes on examination. Due to a lack of improvement with intravitreal antifungal empirical treatment, vitreous culture was performed and Candida glabrata was isolated. The patient then received intravitreal amphotericin B, as well as systemic treatment with ...