Snowbanking is a feature of which condition?

• A. Fuchs' heterochromic iridocyclitis
• B. Posner-Schlossman syndrome
• C. Pars planitis
• D. Acute angle-closure glaucoma

Answer: (C)

Snowbanking is a sign of inflammatory debris accumulating along the pars plana in intermediate uveitis, specifically the idiopathic form known as pars planitis. These chalky white plaques on the peripheral retina near the vitreous base reflect exudation from inflammatory activity in the vitreous-supported regions rather than the anterior chamber alone. The finding helps distinguish pars planitis from other conditions that involve the anterior segment or glaucomatous processes, where this pars plana exudation is not a feature. Recognizing snowbanking emphasizes the characteristic localization of inflammation in pars planitis, guiding appropriate management with anti-inflammatory therapy and, in some cases, immunomodulatory treatment.