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Plaques containing fibrin and mucous can accumulate into macro-erosions forming Shield ulcers. Corneal neovascularization can ensue and resolution can leave a characteristic ring-like scar. A waxing and waning gray-white lipid depositing in the peripheral, superficial stroma can occur and is known as pseudogerontoxon.
1 sie 2022 · Shield ulcers, which can be self-limiting or associated with bacterial keratitis, usually form on the upper third of the cornea, and can lead to loss of vision (see Figure 4) .
7 sie 2023 · INTRODUCTION. There are five main types of ocular allergy: seasonal allergic conjunctivitis (SAC), perennial allergic conjunctivitis (PAC), vernal keratoconjunctivitis (VKC), atopic keratoconjunctivitis (AKC), and giant papillary conjunctivitis (GPC).
2 lip 2023 · Background: Vernal keratoconjunctivitis (VKC) severely affects the quality of life of affected patients. The development of a shield ulcer is considered one of the most severe late-stage complications, which when untreated leads to irreversible vision loss.
28 kwi 2016 · The cornea may become involved in VKC, and the corneal changes range from mild (punctate epithelial erosions) to severe (macroerosions and ulcers). Active palpebral disease may lead to development of superficial corneal neovascularization.
2 lip 2023 · The development of a shield ulcer is considered one of the most severe late-stage complications, which when untreated leads to irreversible vision loss. In this systematic review, we outlined the results of surgical treatments of corneal shield ulcers in VKC.
Background: Shield-shaped corneal ulcers and plaques are serious sight-threatening corneal manifestations of vernal keratoconjunctivitis. There are few reports describing the management of these patients and their outcomes.
