Phlyctenular ("Phlyctena" Greek word for "blister") Keratoconjunctivitis or PKC is localized, subepithelial, wedge shaped nodular inflammation of the conjunctiva and/or cornea 2ndry to an allergic hypersensitivity response to Staph bacterium usually from chronic blepharitis or in suspicious cases assoc'd with tuberculosis infection. Treatment incl lid hygiene, anti-inflammatory and/or anti-bacterials depending on severity. In non-resolving cases, order chest x-ray and PPD to rule out TB.
Corneal Verticillata : bilateral, whorl-like pattern of powdery, white, yellow or brown corneal epithelial deposits . Appears in a vortex fashion in the inferocentral cornea and swirls outwards sparing the limbus Occurs in Fabry's disease and in patients being treated with a variety of drugs including amiodarone, chloroquine, amodiaquine, meperidine, indomethacin, chlorpromazine and tamoxifen.
Age-Related Macular Degeneration The center of the retina, the macula, is used for detailed work and reading. Age-related Macular Degeneration (AMD) is a deterioration of the macula that results in impaired central vison. AMD is the number one cause of bl