sudden obstruction of iridocorneal angle causing rapid increase in intraocular pressure

<aside> 💡 !! Emergency can cause rapid permanent vision loss due to ischemia and atrophy of the optic nerve!!

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Etiology/risk factors:

• Hyperopia
• Advance age, female sex
• Asian or Inuit ethnicity
• Eye injury with scarring and adhesion
• Rubeus iridis: Neovascularization of the iris
• Mydriasis

Clinical Features:

• Unilaterally inflamed, reddened and severe painful eye
• Sudden onset of symptoms
• Frontal headache, vomiting, nausea
• Blurred vision and halos seen around light
• Cloudy cornea (opacification)
• Mid-dilated irregular, unresponsive pupil