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24 Cards in this Set
- Front
- Back
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______ is characterized by coarse punctate epithelial keratitis affecting the CENETRAL cornea
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Superficial punctate keratitis of thygeson
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In SPK of thygeson, you will see _______ epithlial lesions. These stain with RB.
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snowflake
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Will you have - or + stainging of flurescein or both in SPK of thygeson.
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Both, ifyou have an overlying microerosion you will have + staining
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You will have _____ corneal sensitivity in SPK of thygeson
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normal
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T or F: in SPK of thygeson, you will not have any conjunctival or AC inflammation.
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True--usually asymptomatic
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Where does interstitial keratitis occur?
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in the STROMA
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What is a main feature of interstitial keratitis?
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Vascularization of the stroma and nonsuppurative infiltration
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Is interstitial keratitis usually associated with a systemic diease? if so, which one?
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yes, syphilis
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What does IK look like?
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pannus---cuz all of the vessels
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There are many conditions causing IK, name all of them.
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1- syphillis
2- Tb 3- leprosy 4- Onchocerciasis 5- Mumps 6- Lymphogranuloma 7- Cogans syndrome 8- gold toxicity 9- HSV |
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Name 3 inactive signs of interstitial keratitis.
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1- ghost vessels in the stroma
2- deep corneal haze or scar 3- stromal thinning |
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How do you treat acute IK?
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1-cycloplege
2- steroids 3- treat the systemic disease |
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Sterile infiltrates are _____ 1mm in diameter. They occur in the ___ cornea. Describe the epithelium.
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less than, peripheral, intact epi.
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Will you have uveitis with sterile corneal infiltrates?
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NO
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T or F; sterile infiltrates are separated from the limbau by a lucid area.
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true
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Can staph bleph cause sterile infiltrates?
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yes, lots of ocular/systemic diesases can
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Name 2 conditions that can also cause sterile infiltrates of the cornea.
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1-ance rosacea
2- CTL overwear |
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You SHOULD use a topical steriod to treat sterile infiltrates of the corneal, but when is this contraindicated?
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1- when the cornea is too thin
2- if it is caused by HSV |
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Specifically describe a dellen.
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all layers of the cornea ARE present--it is jut very dehydrated and so the corneal is very thin. You will see pooling of flurescein--but no staining. (elevated areas adjacent)
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HOw do you treat a dellen?
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lubricate
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Will a dellen cause hyperemia, infiltrations and anterior uveitis?
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NO!!!!
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______ is a chronic condition caused by proliferative hyperplastic epithelial cells protruding anterior tothe corneal surface.
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filamentary keratitis
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_____ are often attached to the filamentary protrusions.
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mucus strands
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Can you give a hyperosmotic to treat filamentary keratitis?
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yes
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