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The process through which NAION destroys vision involves these sequential pathological events: Sudden blood supply disruption: Short posterior ciliary arteries feeding the optic nerve become blocked or experience severe flow reduction, starving nerve tissue Immediate nerve tissue death: Ischemic damage kills optic nerve cells within hours once dead, these neurons cannot regenerate Compartment syndrome: Initial swelling compresses remaining healthy nerve fibers in the confined scleral canal space, creating cascading damage Permanent structural changes: The optic nerve develops atrophy, with dead tissue replaced by glial scarring unable to transmit visual signals NAION commonly affects individuals with crowded optic discs or disc at risk, where cup-to-disc ratio measures 0.2 or less
Internal hemorrhoids that cause bleeding are almost exclusively treated in the office either with rubber band ligations, or infared cauterization
This phenomenon has been documented clinically, but science is still exploring the frontier of GLP-1 potential, as well as side effects
Call Now GLP-1s, or glucagon-like peptide-1 receptor agonists, are FDA-approved medications originally used to treat Type 2 diabetes
