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Updated: Oct 4, 2025

An Alternative and Validated Injection Method for Accessing the Subretinal Space via a Transcleral Posterior Approach
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Contralateral Effect following Intravitreal Brolucizumab Injection in Diabetic Macular Edema
Somnath Chakraborty1, Jay Umed Sheth2
1Retina Institute of Bengal, Siliguri, India.
Abstract:
The authors describe a novel case of a 48-year-old male with bilateral diabetic macular edema (DME) who underwent intravitreal injection (IVI) of brolucizumab in the left eye. At four weeks, the patient demonstrated a bilateral response by way of improvement in the best-corrected visual acuity (BCVA) and reduction in the central macular thickness (CMT) in both eyes. Further studies on the ocular and systemic assays of the brolucizumab molecule are warranted to evaluate its systemic escape and to better understand the pharmacokinetics behind the bilateral effect.
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