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  • 15 - Limbal Redness
  • Add time:08/30/2019         Source:sciencedirect.com

    Conjunctival redness associated with a quiet limbus and absence of pain indicates a primary conjunctival problem. Conjunctival redness associated with an injected limbus and corneal pain indicates more corneal involvement or, indeed, a problem that is related exclusively to the cornea. Careful slit lamp examination of the eye and lens will generally reveal the cause of the problem. It may also be necessary to prescribe different care systems and differentially diagnose the effects of various solutions over time. In the absence of any clinically observable ocular pathology, corneal hypoxia is the likely cause of excessive limbal redness. Contact lens–induced hypoxia maintains chronic limbal vessel engorgement in a vain attempt to reoxygenate the cornea. A key benefit of high-permeability silicone hydrogel lenses is very low levels of limbal redness. Other causes of limbal redness include poor lens edge design or pathology of the anterior ocular structures, especially the cornea. Limbal redness resolves within 7 days of lens removal.

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